Home / 425,306.18-637,938.07-159,047.12

Finding the Fourth Proportional to 425,306.18, 637,938.07 and 159,047.12

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Solution

The fourth proportional to 425,306.18, 637,938.07 and 159,047.12 is: 238,562.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,306.18 : 637,938.07 = 159,047.12 : x
  2. Step 2: Convert to fraction form
    425,306.18/637,938.07 = 159,047.12/x
  3. Step 3: Cross multiply
    425,306.18x = 637,938.07 × 159,047.12
  4. Step 4: Simplify right side
    425,306.18x = 101,462,209,184.55
  5. Step 5: Solve for x
    x = 101,462,209,184.55/425,306.18
  6. Step 6: Final answer
    x = 238,562.75

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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.