Home / 331,255.12-457,130.64-180,348.88

Finding the Fourth Proportional to 331,255.12, 457,130.64 and 180,348.88

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Solution

The fourth proportional to 331,255.12, 457,130.64 and 180,348.88 is: 248,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,255.12 : 457,130.64 = 180,348.88 : x
  2. Step 2: Convert to fraction form
    331,255.12/457,130.64 = 180,348.88/x
  3. Step 3: Cross multiply
    331,255.12x = 457,130.64 × 180,348.88
  4. Step 4: Simplify right side
    331,255.12x = 82,442,998,937.68
  5. Step 5: Solve for x
    x = 82,442,998,937.68/331,255.12
  6. Step 6: Final answer
    x = 248,880.68

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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.