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Finding the Fourth Proportional to 353,246.67, 487,493.24 and 202,372.83

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Solution

The fourth proportional to 353,246.67, 487,493.24 and 202,372.83 is: 279,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,246.67 : 487,493.24 = 202,372.83 : x
  2. Step 2: Convert to fraction form
    353,246.67/487,493.24 = 202,372.83/x
  3. Step 3: Cross multiply
    353,246.67x = 487,493.24 × 202,372.83
  4. Step 4: Simplify right side
    353,246.67x = 98,655,385,572.81
  5. Step 5: Solve for x
    x = 98,655,385,572.81/353,246.67
  6. Step 6: Final answer
    x = 279,281.86

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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.