Home / 665,305.29-997,943.61-185,520.31

Finding the Fourth Proportional to 665,305.29, 997,943.61 and 185,520.31

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Solution

The fourth proportional to 665,305.29, 997,943.61 and 185,520.31 is: 278,276.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,305.29 : 997,943.61 = 185,520.31 : x
  2. Step 2: Convert to fraction form
    665,305.29/997,943.61 = 185,520.31/x
  3. Step 3: Cross multiply
    665,305.29x = 997,943.61 × 185,520.31
  4. Step 4: Simplify right side
    665,305.29x = 185,138,808,353.52
  5. Step 5: Solve for x
    x = 185,138,808,353.52/665,305.29
  6. Step 6: Final answer
    x = 278,276.47

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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.