Home / 489,923.50-734,885.25-157,499.50

Finding the Fourth Proportional to 489,923.50, 734,885.25 and 157,499.50

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Solution

The fourth proportional to 489,923.50, 734,885.25 and 157,499.50 is: 236,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,923.50 : 734,885.25 = 157,499.50 : x
  2. Step 2: Convert to fraction form
    489,923.50/734,885.25 = 157,499.50/x
  3. Step 3: Cross multiply
    489,923.50x = 734,885.25 × 157,499.50
  4. Step 4: Simplify right side
    489,923.50x = 115,744,059,432.38
  5. Step 5: Solve for x
    x = 115,744,059,432.38/489,923.50
  6. Step 6: Final answer
    x = 236,249.25

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.