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Finding the Fourth Proportional to 360,484.71, 497,472.15 and 199,350.69

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Solution

The fourth proportional to 360,484.71, 497,472.15 and 199,350.69 is: 275,105.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,484.71 : 497,472.15 = 199,350.69 : x
  2. Step 2: Convert to fraction form
    360,484.71/497,472.15 = 199,350.69/x
  3. Step 3: Cross multiply
    360,484.71x = 497,472.15 × 199,350.69
  4. Step 4: Simplify right side
    360,484.71x = 99,171,416,358.28
  5. Step 5: Solve for x
    x = 99,171,416,358.28/360,484.71
  6. Step 6: Final answer
    x = 275,105.75

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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.