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Finding the Fourth Proportional to 425,012, 586,516.58 and 234,024.92

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Solution

The fourth proportional to 425,012, 586,516.58 and 234,024.92 is: 322,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,012 : 586,516.58 = 234,024.92 : x
  2. Step 2: Convert to fraction form
    425,012/586,516.58 = 234,024.92/x
  3. Step 3: Cross multiply
    425,012x = 586,516.58 × 234,024.92
  4. Step 4: Simplify right side
    425,012x = 137,259,495,713.17
  5. Step 5: Solve for x
    x = 137,259,495,713.17/425,012
  6. Step 6: Final answer
    x = 322,954.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.