Home / 320,318.16-442,000.68-177,058.73

Finding the Fourth Proportional to 320,318.16, 442,000.68 and 177,058.73

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Solution

The fourth proportional to 320,318.16, 442,000.68 and 177,058.73 is: 244,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,318.16 : 442,000.68 = 177,058.73 : x
  2. Step 2: Convert to fraction form
    320,318.16/442,000.68 = 177,058.73/x
  3. Step 3: Cross multiply
    320,318.16x = 442,000.68 × 177,058.73
  4. Step 4: Simplify right side
    320,318.16x = 78,260,076,849.93
  5. Step 5: Solve for x
    x = 78,260,076,849.93/320,318.16
  6. Step 6: Final answer
    x = 244,319.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.