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Finding the Fourth Proportional to 425,737.40, 637,789.60 and 238,880.12

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Solution

The fourth proportional to 425,737.40, 637,789.60 and 238,880.12 is: 357,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,737.40 : 637,789.60 = 238,880.12 : x
  2. Step 2: Convert to fraction form
    425,737.40/637,789.60 = 238,880.12/x
  3. Step 3: Cross multiply
    425,737.40x = 637,789.60 × 238,880.12
  4. Step 4: Simplify right side
    425,737.40x = 152,355,256,182.75
  5. Step 5: Solve for x
    x = 152,355,256,182.75/425,737.40
  6. Step 6: Final answer
    x = 357,862.04

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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.