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Finding the Fourth Proportional to 360,228.42, 497,082.56 and 207,225.90

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Solution

The fourth proportional to 360,228.42, 497,082.56 and 207,225.90 is: 285,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,228.42 : 497,082.56 = 207,225.90 : x
  2. Step 2: Convert to fraction form
    360,228.42/497,082.56 = 207,225.90/x
  3. Step 3: Cross multiply
    360,228.42x = 497,082.56 × 207,225.90
  4. Step 4: Simplify right side
    360,228.42x = 103,008,379,834.18
  5. Step 5: Solve for x
    x = 103,008,379,834.18/360,228.42
  6. Step 6: Final answer
    x = 285,952.95

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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.