Home / 865,442.64-1,298,168.82-234,361.92

Finding the Fourth Proportional to 865,442.64, 1,298,168.82 and 234,361.92

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Solution

The fourth proportional to 865,442.64, 1,298,168.82 and 234,361.92 is: 351,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,442.64 : 1,298,168.82 = 234,361.92 : x
  2. Step 2: Convert to fraction form
    865,442.64/1,298,168.82 = 234,361.92/x
  3. Step 3: Cross multiply
    865,442.64x = 1,298,168.82 × 234,361.92
  4. Step 4: Simplify right side
    865,442.64x = 304,241,337,139.33
  5. Step 5: Solve for x
    x = 304,241,337,139.33/865,442.64
  6. Step 6: Final answer
    x = 351,544.20

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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.