Home / 415,122.12-572,882.58-245,501.64

Finding the Fourth Proportional to 415,122.12, 572,882.58 and 245,501.64

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Solution

The fourth proportional to 415,122.12, 572,882.58 and 245,501.64 is: 338,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,122.12 : 572,882.58 = 245,501.64 : x
  2. Step 2: Convert to fraction form
    415,122.12/572,882.58 = 245,501.64/x
  3. Step 3: Cross multiply
    415,122.12x = 572,882.58 × 245,501.64
  4. Step 4: Simplify right side
    415,122.12x = 140,643,612,917.43
  5. Step 5: Solve for x
    x = 140,643,612,917.43/415,122.12
  6. Step 6: Final answer
    x = 338,800.57

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1.5x scale

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.