Home / 485,050.32-669,339.72-270,179.28

Finding the Fourth Proportional to 485,050.32, 669,339.72 and 270,179.28

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Solution

The fourth proportional to 485,050.32, 669,339.72 and 270,179.28 is: 372,830.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,050.32 : 669,339.72 = 270,179.28 : x
  2. Step 2: Convert to fraction form
    485,050.32/669,339.72 = 270,179.28/x
  3. Step 3: Cross multiply
    485,050.32x = 669,339.72 × 270,179.28
  4. Step 4: Simplify right side
    485,050.32x = 180,841,723,625.00
  5. Step 5: Solve for x
    x = 180,841,723,625.00/485,050.32
  6. Step 6: Final answer
    x = 372,830.85

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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.