Home / 260,122.32-389,775.24-154,883.88

Finding the Fourth Proportional to 260,122.32, 389,775.24 and 154,883.88

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Solution

The fourth proportional to 260,122.32, 389,775.24 and 154,883.88 is: 232,082.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,122.32 : 389,775.24 = 154,883.88 : x
  2. Step 2: Convert to fraction form
    260,122.32/389,775.24 = 154,883.88/x
  3. Step 3: Cross multiply
    260,122.32x = 389,775.24 × 154,883.88
  4. Step 4: Simplify right side
    260,122.32x = 60,369,901,499.13
  5. Step 5: Solve for x
    x = 60,369,901,499.13/260,122.32
  6. Step 6: Final answer
    x = 232,082.74

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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.