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Finding the Fourth Proportional to 361,757.08, 498,649.56 and 285,151.96

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Solution

The fourth proportional to 361,757.08, 498,649.56 and 285,151.96 is: 393,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,757.08 : 498,649.56 = 285,151.96 : x
  2. Step 2: Convert to fraction form
    361,757.08/498,649.56 = 285,151.96/x
  3. Step 3: Cross multiply
    361,757.08x = 498,649.56 × 285,151.96
  4. Step 4: Simplify right side
    361,757.08x = 142,190,899,387.14
  5. Step 5: Solve for x
    x = 142,190,899,387.14/361,757.08
  6. Step 6: Final answer
    x = 393,056.30

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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.