Home / 229,749.40-344,624.25-71,990.16

Finding the Fourth Proportional to 229,749.40, 344,624.25 and 71,990.16

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Solution

The fourth proportional to 229,749.40, 344,624.25 and 71,990.16 is: 107,985.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,749.40 : 344,624.25 = 71,990.16 : x
  2. Step 2: Convert to fraction form
    229,749.40/344,624.25 = 71,990.16/x
  3. Step 3: Cross multiply
    229,749.40x = 344,624.25 × 71,990.16
  4. Step 4: Simplify right side
    229,749.40x = 24,809,553,875.00
  5. Step 5: Solve for x
    x = 24,809,553,875.00/229,749.40
  6. Step 6: Final answer
    x = 107,985.28

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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.