Home / 318,398.32-439,372.35-175,135.24

Finding the Fourth Proportional to 318,398.32, 439,372.35 and 175,135.24

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Solution

The fourth proportional to 318,398.32, 439,372.35 and 175,135.24 is: 241,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,398.32 : 439,372.35 = 175,135.24 : x
  2. Step 2: Convert to fraction form
    318,398.32/439,372.35 = 175,135.24/x
  3. Step 3: Cross multiply
    318,398.32x = 439,372.35 × 175,135.24
  4. Step 4: Simplify right side
    318,398.32x = 76,949,581,966.61
  5. Step 5: Solve for x
    x = 76,949,581,966.61/318,398.32
  6. Step 6: Final answer
    x = 241,677.10

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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.