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Finding the Fourth Proportional to 425,262.14, 637,911.02 and 158,995.70

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Solution

The fourth proportional to 425,262.14, 637,911.02 and 158,995.70 is: 238,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,262.14 : 637,911.02 = 158,995.70 : x
  2. Step 2: Convert to fraction form
    425,262.14/637,911.02 = 158,995.70/x
  3. Step 3: Cross multiply
    425,262.14x = 637,911.02 × 158,995.70
  4. Step 4: Simplify right side
    425,262.14x = 101,425,109,162.61
  5. Step 5: Solve for x
    x = 101,425,109,162.61/425,262.14
  6. Step 6: Final answer
    x = 238,500.21

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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.