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Finding the Fourth Proportional to 349,354.28, 524,142.22 and 124,709.78

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Solution

The fourth proportional to 349,354.28, 524,142.22 and 124,709.78 is: 187,104.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,354.28 : 524,142.22 = 124,709.78 : x
  2. Step 2: Convert to fraction form
    349,354.28/524,142.22 = 124,709.78/x
  3. Step 3: Cross multiply
    349,354.28x = 524,142.22 × 124,709.78
  4. Step 4: Simplify right side
    349,354.28x = 65,365,660,944.91
  5. Step 5: Solve for x
    x = 65,365,660,944.91/349,354.28
  6. Step 6: Final answer
    x = 187,104.22

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1.5x scale

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.