Home / 229,759.65-344,639.60-72,000.45

Finding the Fourth Proportional to 229,759.65, 344,639.60 and 72,000.45

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Solution

The fourth proportional to 229,759.65, 344,639.60 and 72,000.45 is: 108,000.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,759.65 : 344,639.60 = 72,000.45 : x
  2. Step 2: Convert to fraction form
    229,759.65/344,639.60 = 72,000.45/x
  3. Step 3: Cross multiply
    229,759.65x = 344,639.60 × 72,000.45
  4. Step 4: Simplify right side
    229,759.65x = 24,814,206,287.82
  5. Step 5: Solve for x
    x = 24,814,206,287.82/229,759.65
  6. Step 6: Final answer
    x = 108,000.71

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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.