Home / 415,134.24-572,846.40-245,335.20

Finding the Fourth Proportional to 415,134.24, 572,846.40 and 245,335.20

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Solution

The fourth proportional to 415,134.24, 572,846.40 and 245,335.20 is: 338,539.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,134.24 : 572,846.40 = 245,335.20 : x
  2. Step 2: Convert to fraction form
    415,134.24/572,846.40 = 245,335.20/x
  3. Step 3: Cross multiply
    415,134.24x = 572,846.40 × 245,335.20
  4. Step 4: Simplify right side
    415,134.24x = 140,539,386,113.28
  5. Step 5: Solve for x
    x = 140,539,386,113.28/415,134.24
  6. Step 6: Final answer
    x = 338,539.62

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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.