Home / 304,722.90-457,343.55-136,502.10

Finding the Fourth Proportional to 304,722.90, 457,343.55 and 136,502.10

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Solution

The fourth proportional to 304,722.90, 457,343.55 and 136,502.10 is: 204,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,722.90 : 457,343.55 = 136,502.10 : x
  2. Step 2: Convert to fraction form
    304,722.90/457,343.55 = 136,502.10/x
  3. Step 3: Cross multiply
    304,722.90x = 457,343.55 × 136,502.10
  4. Step 4: Simplify right side
    304,722.90x = 62,428,354,996.46
  5. Step 5: Solve for x
    x = 62,428,354,996.46/304,722.90
  6. Step 6: Final answer
    x = 204,869.26

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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.