Home / 366,948.80-550,293.60-130,299.20

Finding the Fourth Proportional to 366,948.80, 550,293.60 and 130,299.20

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Solution

The fourth proportional to 366,948.80, 550,293.60 and 130,299.20 is: 195,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,948.80 : 550,293.60 = 130,299.20 : x
  2. Step 2: Convert to fraction form
    366,948.80/550,293.60 = 130,299.20/x
  3. Step 3: Cross multiply
    366,948.80x = 550,293.60 × 130,299.20
  4. Step 4: Simplify right side
    366,948.80x = 71,702,815,845.12
  5. Step 5: Solve for x
    x = 71,702,815,845.12/366,948.80
  6. Step 6: Final answer
    x = 195,402.78

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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.