Home / 372,695.09-558,337.33-220,436.15

Finding the Fourth Proportional to 372,695.09, 558,337.33 and 220,436.15

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Solution

The fourth proportional to 372,695.09, 558,337.33 and 220,436.15 is: 330,237.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,695.09 : 558,337.33 = 220,436.15 : x
  2. Step 2: Convert to fraction form
    372,695.09/558,337.33 = 220,436.15/x
  3. Step 3: Cross multiply
    372,695.09x = 558,337.33 × 220,436.15
  4. Step 4: Simplify right side
    372,695.09x = 123,077,732,271.23
  5. Step 5: Solve for x
    x = 123,077,732,271.23/372,695.09
  6. Step 6: Final answer
    x = 330,237.06

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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.