Home / 372,280.80-558,421.24-260,179.96

Finding the Fourth Proportional to 372,280.80, 558,421.24 and 260,179.96

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Solution

The fourth proportional to 372,280.80, 558,421.24 and 260,179.96 is: 390,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,280.80 : 558,421.24 = 260,179.96 : x
  2. Step 2: Convert to fraction form
    372,280.80/558,421.24 = 260,179.96/x
  3. Step 3: Cross multiply
    372,280.80x = 558,421.24 × 260,179.96
  4. Step 4: Simplify right side
    372,280.80x = 145,290,015,886.35
  5. Step 5: Solve for x
    x = 145,290,015,886.35/372,280.80
  6. Step 6: Final answer
    x = 390,269.97

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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.