Home / 344,945.28-517,418.08-155,184.05

Finding the Fourth Proportional to 344,945.28, 517,418.08 and 155,184.05

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Solution

The fourth proportional to 344,945.28, 517,418.08 and 155,184.05 is: 232,776.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,945.28 : 517,418.08 = 155,184.05 : x
  2. Step 2: Convert to fraction form
    344,945.28/517,418.08 = 155,184.05/x
  3. Step 3: Cross multiply
    344,945.28x = 517,418.08 × 155,184.05
  4. Step 4: Simplify right side
    344,945.28x = 80,295,034,103.21
  5. Step 5: Solve for x
    x = 80,295,034,103.21/344,945.28
  6. Step 6: Final answer
    x = 232,776.15

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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.