Home / 353,366.11-487,658.24-202,492.27

Finding the Fourth Proportional to 353,366.11, 487,658.24 and 202,492.27

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Solution

The fourth proportional to 353,366.11, 487,658.24 and 202,492.27 is: 279,446.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,366.11 : 487,658.24 = 202,492.27 : x
  2. Step 2: Convert to fraction form
    353,366.11/487,658.24 = 202,492.27/x
  3. Step 3: Cross multiply
    353,366.11x = 487,658.24 × 202,492.27
  4. Step 4: Simplify right side
    353,366.11x = 98,747,024,001.80
  5. Step 5: Solve for x
    x = 98,747,024,001.80/353,366.11
  6. Step 6: Final answer
    x = 279,446.79

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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.