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Finding the Fourth Proportional to 181,494.80, 272,242.20 and 146,502.80

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Solution

The fourth proportional to 181,494.80, 272,242.20 and 146,502.80 is: 219,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,494.80 : 272,242.20 = 146,502.80 : x
  2. Step 2: Convert to fraction form
    181,494.80/272,242.20 = 146,502.80/x
  3. Step 3: Cross multiply
    181,494.80x = 272,242.20 × 146,502.80
  4. Step 4: Simplify right side
    181,494.80x = 39,884,244,578.16
  5. Step 5: Solve for x
    x = 39,884,244,578.16/181,494.80
  6. Step 6: Final answer
    x = 219,754.20

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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.