Home / 372,211.20-558,316.80-147,625.20

Finding the Fourth Proportional to 372,211.20, 558,316.80 and 147,625.20

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Solution

The fourth proportional to 372,211.20, 558,316.80 and 147,625.20 is: 221,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,211.20 : 558,316.80 = 147,625.20 : x
  2. Step 2: Convert to fraction form
    372,211.20/558,316.80 = 147,625.20/x
  3. Step 3: Cross multiply
    372,211.20x = 558,316.80 × 147,625.20
  4. Step 4: Simplify right side
    372,211.20x = 82,421,629,263.36
  5. Step 5: Solve for x
    x = 82,421,629,263.36/372,211.20
  6. Step 6: Final answer
    x = 221,437.80

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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.