Home / 415,043.60-572,736.68-245,293.52

Finding the Fourth Proportional to 415,043.60, 572,736.68 and 245,293.52

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Solution

The fourth proportional to 415,043.60, 572,736.68 and 245,293.52 is: 338,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,043.60 : 572,736.68 = 245,293.52 : x
  2. Step 2: Convert to fraction form
    415,043.60/572,736.68 = 245,293.52/x
  3. Step 3: Cross multiply
    415,043.60x = 572,736.68 × 245,293.52
  4. Step 4: Simplify right side
    415,043.60x = 140,488,596,270.31
  5. Step 5: Solve for x
    x = 140,488,596,270.31/415,043.60
  6. Step 6: Final answer
    x = 338,491.18

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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.