Home / 372,292.80-558,439.20-310,291.35

Finding the Fourth Proportional to 372,292.80, 558,439.20 and 310,291.35

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Solution

The fourth proportional to 372,292.80, 558,439.20 and 310,291.35 is: 465,437.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,292.80 : 558,439.20 = 310,291.35 : x
  2. Step 2: Convert to fraction form
    372,292.80/558,439.20 = 310,291.35/x
  3. Step 3: Cross multiply
    372,292.80x = 558,439.20 × 310,291.35
  4. Step 4: Simplify right side
    372,292.80x = 173,278,853,260.92
  5. Step 5: Solve for x
    x = 173,278,853,260.92/372,292.80
  6. Step 6: Final answer
    x = 465,437.03

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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.