Home / 247,928.40-371,944.80-129,567.96

Finding the Fourth Proportional to 247,928.40, 371,944.80 and 129,567.96

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Solution

The fourth proportional to 247,928.40, 371,944.80 and 129,567.96 is: 194,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,928.40 : 371,944.80 = 129,567.96 : x
  2. Step 2: Convert to fraction form
    247,928.40/371,944.80 = 129,567.96/x
  3. Step 3: Cross multiply
    247,928.40x = 371,944.80 × 129,567.96
  4. Step 4: Simplify right side
    247,928.40x = 48,192,128,968.61
  5. Step 5: Solve for x
    x = 48,192,128,968.61/247,928.40
  6. Step 6: Final answer
    x = 194,379.22

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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.