Home / 515,292.39-772,991.60-178,332.44

Finding the Fourth Proportional to 515,292.39, 772,991.60 and 178,332.44

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Solution

The fourth proportional to 515,292.39, 772,991.60 and 178,332.44 is: 267,517.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,292.39 : 772,991.60 = 178,332.44 : x
  2. Step 2: Convert to fraction form
    515,292.39/772,991.60 = 178,332.44/x
  3. Step 3: Cross multiply
    515,292.39x = 772,991.60 × 178,332.44
  4. Step 4: Simplify right side
    515,292.39x = 137,849,473,370.88
  5. Step 5: Solve for x
    x = 137,849,473,370.88/515,292.39
  6. Step 6: Final answer
    x = 267,517.00

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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.