Home / 247,928.20-372,281.10-142,952.20

Finding the Fourth Proportional to 247,928.20, 372,281.10 and 142,952.20

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Solution

The fourth proportional to 247,928.20, 372,281.10 and 142,952.20 is: 214,652.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,928.20 : 372,281.10 = 142,952.20 : x
  2. Step 2: Convert to fraction form
    247,928.20/372,281.10 = 142,952.20/x
  3. Step 3: Cross multiply
    247,928.20x = 372,281.10 × 142,952.20
  4. Step 4: Simplify right side
    247,928.20x = 53,218,402,263.42
  5. Step 5: Solve for x
    x = 53,218,402,263.42/247,928.20
  6. Step 6: Final answer
    x = 214,652.48

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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.