Home / 478,175.38-717,095.61-141,126.77

Finding the Fourth Proportional to 478,175.38, 717,095.61 and 141,126.77

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Solution

The fourth proportional to 478,175.38, 717,095.61 and 141,126.77 is: 211,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,175.38 : 717,095.61 = 141,126.77 : x
  2. Step 2: Convert to fraction form
    478,175.38/717,095.61 = 141,126.77/x
  3. Step 3: Cross multiply
    478,175.38x = 717,095.61 × 141,126.77
  4. Step 4: Simplify right side
    478,175.38x = 101,201,389,013.22
  5. Step 5: Solve for x
    x = 101,201,389,013.22/478,175.38
  6. Step 6: Final answer
    x = 211,640.74

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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.