Home / 229,972.10-344,972.75-72,206.78

Finding the Fourth Proportional to 229,972.10, 344,972.75 and 72,206.78

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Solution

The fourth proportional to 229,972.10, 344,972.75 and 72,206.78 is: 108,314.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,972.10 : 344,972.75 = 72,206.78 : x
  2. Step 2: Convert to fraction form
    229,972.10/344,972.75 = 72,206.78/x
  3. Step 3: Cross multiply
    229,972.10x = 344,972.75 × 72,206.78
  4. Step 4: Simplify right side
    229,972.10x = 24,909,371,465.25
  5. Step 5: Solve for x
    x = 24,909,371,465.25/229,972.10
  6. Step 6: Final answer
    x = 108,314.75

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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.