Home / 370,239.28-555,380.45-104,020.55

Finding the Fourth Proportional to 370,239.28, 555,380.45 and 104,020.55

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Solution

The fourth proportional to 370,239.28, 555,380.45 and 104,020.55 is: 156,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,239.28 : 555,380.45 = 104,020.55 : x
  2. Step 2: Convert to fraction form
    370,239.28/555,380.45 = 104,020.55/x
  3. Step 3: Cross multiply
    370,239.28x = 555,380.45 × 104,020.55
  4. Step 4: Simplify right side
    370,239.28x = 57,770,979,868.25
  5. Step 5: Solve for x
    x = 57,770,979,868.25/370,239.28
  6. Step 6: Final answer
    x = 156,036.87

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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.