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Finding the Fourth Proportional to 514,908.60, 772,435.80 and 159,885.60

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Solution

The fourth proportional to 514,908.60, 772,435.80 and 159,885.60 is: 239,851.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,908.60 : 772,435.80 = 159,885.60 : x
  2. Step 2: Convert to fraction form
    514,908.60/772,435.80 = 159,885.60/x
  3. Step 3: Cross multiply
    514,908.60x = 772,435.80 × 159,885.60
  4. Step 4: Simplify right side
    514,908.60x = 123,501,361,344.48
  5. Step 5: Solve for x
    x = 123,501,361,344.48/514,908.60
  6. Step 6: Final answer
    x = 239,851.04

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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.