Home / 515,267.84-772,972.05-178,218.12

Finding the Fourth Proportional to 515,267.84, 772,972.05 and 178,218.12

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Solution

The fourth proportional to 515,267.84, 772,972.05 and 178,218.12 is: 267,351.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,267.84 : 772,972.05 = 178,218.12 : x
  2. Step 2: Convert to fraction form
    515,267.84/772,972.05 = 178,218.12/x
  3. Step 3: Cross multiply
    515,267.84x = 772,972.05 × 178,218.12
  4. Step 4: Simplify right side
    515,267.84x = 137,757,625,563.55
  5. Step 5: Solve for x
    x = 137,757,625,563.55/515,267.84
  6. Step 6: Final answer
    x = 267,351.49

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1.5x scale

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.