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Finding the Fourth Proportional to 489,862.32, 734,820.87 and 152,949.51

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Solution

The fourth proportional to 489,862.32, 734,820.87 and 152,949.51 is: 229,432.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,862.32 : 734,820.87 = 152,949.51 : x
  2. Step 2: Convert to fraction form
    489,862.32/734,820.87 = 152,949.51/x
  3. Step 3: Cross multiply
    489,862.32x = 734,820.87 × 152,949.51
  4. Step 4: Simplify right side
    489,862.32x = 112,390,492,004.27
  5. Step 5: Solve for x
    x = 112,390,492,004.27/489,862.32
  6. Step 6: Final answer
    x = 229,432.82

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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.