Home / 387,664.14-534,898.10-226,488.06

Finding the Fourth Proportional to 387,664.14, 534,898.10 and 226,488.06

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Solution

The fourth proportional to 387,664.14, 534,898.10 and 226,488.06 is: 312,507.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,664.14 : 534,898.10 = 226,488.06 : x
  2. Step 2: Convert to fraction form
    387,664.14/534,898.10 = 226,488.06/x
  3. Step 3: Cross multiply
    387,664.14x = 534,898.10 × 226,488.06
  4. Step 4: Simplify right side
    387,664.14x = 121,148,031,834.25
  5. Step 5: Solve for x
    x = 121,148,031,834.25/387,664.14
  6. Step 6: Final answer
    x = 312,507.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.