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Finding the Fourth Proportional to 268,082.60, 402,350.70 and 110,424.20

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Solution

The fourth proportional to 268,082.60, 402,350.70 and 110,424.20 is: 165,729.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,082.60 : 402,350.70 = 110,424.20 : x
  2. Step 2: Convert to fraction form
    268,082.60/402,350.70 = 110,424.20/x
  3. Step 3: Cross multiply
    268,082.60x = 402,350.70 × 110,424.20
  4. Step 4: Simplify right side
    268,082.60x = 44,429,254,166.94
  5. Step 5: Solve for x
    x = 44,429,254,166.94/268,082.60
  6. Step 6: Final answer
    x = 165,729.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.