Home / 356,123.52-534,446.64-286,839.36

Finding the Fourth Proportional to 356,123.52, 534,446.64 and 286,839.36

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Solution

The fourth proportional to 356,123.52, 534,446.64 and 286,839.36 is: 430,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,123.52 : 534,446.64 = 286,839.36 : x
  2. Step 2: Convert to fraction form
    356,123.52/534,446.64 = 286,839.36/x
  3. Step 3: Cross multiply
    356,123.52x = 534,446.64 × 286,839.36
  4. Step 4: Simplify right side
    356,123.52x = 153,300,332,171.75
  5. Step 5: Solve for x
    x = 153,300,332,171.75/356,123.52
  6. Step 6: Final answer
    x = 430,469.55

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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.