Home / 229,984.60-344,991.50-72,219.28

Finding the Fourth Proportional to 229,984.60, 344,991.50 and 72,219.28

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Solution

The fourth proportional to 229,984.60, 344,991.50 and 72,219.28 is: 108,333.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,984.60 : 344,991.50 = 72,219.28 : x
  2. Step 2: Convert to fraction form
    229,984.60/344,991.50 = 72,219.28/x
  3. Step 3: Cross multiply
    229,984.60x = 344,991.50 × 72,219.28
  4. Step 4: Simplify right side
    229,984.60x = 24,915,037,836.46
  5. Step 5: Solve for x
    x = 24,915,037,836.46/229,984.60
  6. Step 6: Final answer
    x = 108,333.51

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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.