Home / 229,724.80-344,587.20-72,001.60

Finding the Fourth Proportional to 229,724.80, 344,587.20 and 72,001.60

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Solution

The fourth proportional to 229,724.80, 344,587.20 and 72,001.60 is: 108,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,724.80 : 344,587.20 = 72,001.60 : x
  2. Step 2: Convert to fraction form
    229,724.80/344,587.20 = 72,001.60/x
  3. Step 3: Cross multiply
    229,724.80x = 344,587.20 × 72,001.60
  4. Step 4: Simplify right side
    229,724.80x = 24,810,829,739.52
  5. Step 5: Solve for x
    x = 24,810,829,739.52/229,724.80
  6. Step 6: Final answer
    x = 108,002.40

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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.