Home / 318,787.66-439,917.35-175,548.48

Finding the Fourth Proportional to 318,787.66, 439,917.35 and 175,548.48

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Solution

The fourth proportional to 318,787.66, 439,917.35 and 175,548.48 is: 242,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,787.66 : 439,917.35 = 175,548.48 : x
  2. Step 2: Convert to fraction form
    318,787.66/439,917.35 = 175,548.48/x
  3. Step 3: Cross multiply
    318,787.66x = 439,917.35 × 175,548.48
  4. Step 4: Simplify right side
    318,787.66x = 77,226,822,118.13
  5. Step 5: Solve for x
    x = 77,226,822,118.13/318,787.66
  6. Step 6: Final answer
    x = 242,251.60

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1.5x scale

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.