Home / 372,290.80-558,436.20-310,289.35

Finding the Fourth Proportional to 372,290.80, 558,436.20 and 310,289.35

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Solution

The fourth proportional to 372,290.80, 558,436.20 and 310,289.35 is: 465,434.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,290.80 : 558,436.20 = 310,289.35 : x
  2. Step 2: Convert to fraction form
    372,290.80/558,436.20 = 310,289.35/x
  3. Step 3: Cross multiply
    372,290.80x = 558,436.20 × 310,289.35
  4. Step 4: Simplify right side
    372,290.80x = 173,276,805,514.47
  5. Step 5: Solve for x
    x = 173,276,805,514.47/372,290.80
  6. Step 6: Final answer
    x = 465,434.03

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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.