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Finding the Fourth Proportional to 366,952.02, 550,479.03 and 130,238.40

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Solution

The fourth proportional to 366,952.02, 550,479.03 and 130,238.40 is: 195,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,952.02 : 550,479.03 = 130,238.40 : x
  2. Step 2: Convert to fraction form
    366,952.02/550,479.03 = 130,238.40/x
  3. Step 3: Cross multiply
    366,952.02x = 550,479.03 × 130,238.40
  4. Step 4: Simplify right side
    366,952.02x = 71,693,508,100.75
  5. Step 5: Solve for x
    x = 71,693,508,100.75/366,952.02
  6. Step 6: Final answer
    x = 195,375.70

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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.