Home / 389,819.80-584,729.70-94,331.80

Finding the Fourth Proportional to 389,819.80, 584,729.70 and 94,331.80

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Solution

The fourth proportional to 389,819.80, 584,729.70 and 94,331.80 is: 141,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,819.80 : 584,729.70 = 94,331.80 : x
  2. Step 2: Convert to fraction form
    389,819.80/584,729.70 = 94,331.80/x
  3. Step 3: Cross multiply
    389,819.80x = 584,729.70 × 94,331.80
  4. Step 4: Simplify right side
    389,819.80x = 55,158,605,114.46
  5. Step 5: Solve for x
    x = 55,158,605,114.46/389,819.80
  6. Step 6: Final answer
    x = 141,497.70

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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.