Home / 372,403.20-558,604.80-123,085.20

Finding the Fourth Proportional to 372,403.20, 558,604.80 and 123,085.20

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Solution

The fourth proportional to 372,403.20, 558,604.80 and 123,085.20 is: 184,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,403.20 : 558,604.80 = 123,085.20 : x
  2. Step 2: Convert to fraction form
    372,403.20/558,604.80 = 123,085.20/x
  3. Step 3: Cross multiply
    372,403.20x = 558,604.80 × 123,085.20
  4. Step 4: Simplify right side
    372,403.20x = 68,755,983,528.96
  5. Step 5: Solve for x
    x = 68,755,983,528.96/372,403.20
  6. Step 6: Final answer
    x = 184,627.80

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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.