Home / 485,468.16-669,932.12-270,603.61

Finding the Fourth Proportional to 485,468.16, 669,932.12 and 270,603.61

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Solution

The fourth proportional to 485,468.16, 669,932.12 and 270,603.61 is: 373,425.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,468.16 : 669,932.12 = 270,603.61 : x
  2. Step 2: Convert to fraction form
    485,468.16/669,932.12 = 270,603.61/x
  3. Step 3: Cross multiply
    485,468.16x = 669,932.12 × 270,603.61
  4. Step 4: Simplify right side
    485,468.16x = 181,286,050,126.95
  5. Step 5: Solve for x
    x = 181,286,050,126.95/485,468.16
  6. Step 6: Final answer
    x = 373,425.21

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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.