Home / 489,858.59-734,815.22-152,945.76

Finding the Fourth Proportional to 489,858.59, 734,815.22 and 152,945.76

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Solution

The fourth proportional to 489,858.59, 734,815.22 and 152,945.76 is: 229,427.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,858.59 : 734,815.22 = 152,945.76 : x
  2. Step 2: Convert to fraction form
    489,858.59/734,815.22 = 152,945.76/x
  3. Step 3: Cross multiply
    489,858.59x = 734,815.22 × 152,945.76
  4. Step 4: Simplify right side
    489,858.59x = 112,386,871,517.74
  5. Step 5: Solve for x
    x = 112,386,871,517.74/489,858.59
  6. Step 6: Final answer
    x = 229,427.18

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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.