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Finding the Fourth Proportional to 423,150.47, 634,726.38 and 149,800.07

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Solution

The fourth proportional to 423,150.47, 634,726.38 and 149,800.07 is: 224,700.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,150.47 : 634,726.38 = 149,800.07 : x
  2. Step 2: Convert to fraction form
    423,150.47/634,726.38 = 149,800.07/x
  3. Step 3: Cross multiply
    423,150.47x = 634,726.38 × 149,800.07
  4. Step 4: Simplify right side
    423,150.47x = 95,082,052,981.21
  5. Step 5: Solve for x
    x = 95,082,052,981.21/423,150.47
  6. Step 6: Final answer
    x = 224,700.34

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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.