Home / 346,620.20-520,319.10-268,082.60

Finding the Fourth Proportional to 346,620.20, 520,319.10 and 268,082.60

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Solution

The fourth proportional to 346,620.20, 520,319.10 and 268,082.60 is: 402,424.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,620.20 : 520,319.10 = 268,082.60 : x
  2. Step 2: Convert to fraction form
    346,620.20/520,319.10 = 268,082.60/x
  3. Step 3: Cross multiply
    346,620.20x = 520,319.10 × 268,082.60
  4. Step 4: Simplify right side
    346,620.20x = 139,488,497,157.66
  5. Step 5: Solve for x
    x = 139,488,497,157.66/346,620.20
  6. Step 6: Final answer
    x = 402,424.61

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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.