Home / 318,429.38-439,432.52-175,186.35

Finding the Fourth Proportional to 318,429.38, 439,432.52 and 175,186.35

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Solution

The fourth proportional to 318,429.38, 439,432.52 and 175,186.35 is: 241,757.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,429.38 : 439,432.52 = 175,186.35 : x
  2. Step 2: Convert to fraction form
    318,429.38/439,432.52 = 175,186.35/x
  3. Step 3: Cross multiply
    318,429.38x = 439,432.52 × 175,186.35
  4. Step 4: Simplify right side
    318,429.38x = 76,982,577,052.94
  5. Step 5: Solve for x
    x = 76,982,577,052.94/318,429.38
  6. Step 6: Final answer
    x = 241,757.15

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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.