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Finding the Fourth Proportional to 349,338.78, 524,008.35 and 149,529.78

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Solution

The fourth proportional to 349,338.78, 524,008.35 and 149,529.78 is: 224,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,338.78 : 524,008.35 = 149,529.78 : x
  2. Step 2: Convert to fraction form
    349,338.78/524,008.35 = 149,529.78/x
  3. Step 3: Cross multiply
    349,338.78x = 524,008.35 × 149,529.78
  4. Step 4: Simplify right side
    349,338.78x = 78,354,853,293.66
  5. Step 5: Solve for x
    x = 78,354,853,293.66/349,338.78
  6. Step 6: Final answer
    x = 224,294.75

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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.