Home / 415,123.12-572,883.96-245,502.64

Finding the Fourth Proportional to 415,123.12, 572,883.96 and 245,502.64

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Solution

The fourth proportional to 415,123.12, 572,883.96 and 245,502.64 is: 338,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,123.12 : 572,883.96 = 245,502.64 : x
  2. Step 2: Convert to fraction form
    415,123.12/572,883.96 = 245,502.64/x
  3. Step 3: Cross multiply
    415,123.12x = 572,883.96 × 245,502.64
  4. Step 4: Simplify right side
    415,123.12x = 140,644,524,593.65
  5. Step 5: Solve for x
    x = 140,644,524,593.65/415,123.12
  6. Step 6: Final answer
    x = 338,801.95

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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.