Home / 370,138.60-554,430.30-203,732.20

Finding the Fourth Proportional to 370,138.60, 554,430.30 and 203,732.20

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Solution

The fourth proportional to 370,138.60, 554,430.30 and 203,732.20 is: 305,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,138.60 : 554,430.30 = 203,732.20 : x
  2. Step 2: Convert to fraction form
    370,138.60/554,430.30 = 203,732.20/x
  3. Step 3: Cross multiply
    370,138.60x = 554,430.30 × 203,732.20
  4. Step 4: Simplify right side
    370,138.60x = 112,955,304,765.66
  5. Step 5: Solve for x
    x = 112,955,304,765.66/370,138.60
  6. Step 6: Final answer
    x = 305,170.29

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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.