Home / 318,372.20-439,344.28-175,132.16

Finding the Fourth Proportional to 318,372.20, 439,344.28 and 175,132.16

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Solution

The fourth proportional to 318,372.20, 439,344.28 and 175,132.16 is: 241,677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,372.20 : 439,344.28 = 175,132.16 : x
  2. Step 2: Convert to fraction form
    318,372.20/439,344.28 = 175,132.16/x
  3. Step 3: Cross multiply
    318,372.20x = 439,344.28 × 175,132.16
  4. Step 4: Simplify right side
    318,372.20x = 76,943,312,740.04
  5. Step 5: Solve for x
    x = 76,943,312,740.04/318,372.20
  6. Step 6: Final answer
    x = 241,677.23

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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.