Home / 185,512.02-278,311.71-147,704.28

Finding the Fourth Proportional to 185,512.02, 278,311.71 and 147,704.28

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Solution

The fourth proportional to 185,512.02, 278,311.71 and 147,704.28 is: 221,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,512.02 : 278,311.71 = 147,704.28 : x
  2. Step 2: Convert to fraction form
    185,512.02/278,311.71 = 147,704.28/x
  3. Step 3: Cross multiply
    185,512.02x = 278,311.71 × 147,704.28
  4. Step 4: Simplify right side
    185,512.02x = 41,107,830,741.12
  5. Step 5: Solve for x
    x = 41,107,830,741.12/185,512.02
  6. Step 6: Final answer
    x = 221,591.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.