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Finding the Fourth Proportional to 353,232.55, 487,473.75 and 202,358.71

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Solution

The fourth proportional to 353,232.55, 487,473.75 and 202,358.71 is: 279,262.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,232.55 : 487,473.75 = 202,358.71 : x
  2. Step 2: Convert to fraction form
    353,232.55/487,473.75 = 202,358.71/x
  3. Step 3: Cross multiply
    353,232.55x = 487,473.75 × 202,358.71
  4. Step 4: Simplify right side
    353,232.55x = 98,644,555,759.70
  5. Step 5: Solve for x
    x = 98,644,555,759.70/353,232.55
  6. Step 6: Final answer
    x = 279,262.36

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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.