Home / 207,984.40-312,011.10-73,013.48

Finding the Fourth Proportional to 207,984.40, 312,011.10 and 73,013.48

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Solution

The fourth proportional to 207,984.40, 312,011.10 and 73,013.48 is: 109,532.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,984.40 : 312,011.10 = 73,013.48 : x
  2. Step 2: Convert to fraction form
    207,984.40/312,011.10 = 73,013.48/x
  3. Step 3: Cross multiply
    207,984.40x = 312,011.10 × 73,013.48
  4. Step 4: Simplify right side
    207,984.40x = 22,781,016,209.63
  5. Step 5: Solve for x
    x = 22,781,016,209.63/207,984.40
  6. Step 6: Final answer
    x = 109,532.33

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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.