Home / 268,200.12-370,122.36-147,348.90

Finding the Fourth Proportional to 268,200.12, 370,122.36 and 147,348.90

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Solution

The fourth proportional to 268,200.12, 370,122.36 and 147,348.90 is: 203,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,200.12 : 370,122.36 = 147,348.90 : x
  2. Step 2: Convert to fraction form
    268,200.12/370,122.36 = 147,348.90/x
  3. Step 3: Cross multiply
    268,200.12x = 370,122.36 × 147,348.90
  4. Step 4: Simplify right side
    268,200.12x = 54,537,122,611.40
  5. Step 5: Solve for x
    x = 54,537,122,611.40/268,200.12
  6. Step 6: Final answer
    x = 203,344.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.