Home / 352,150.40-526,843.20-318,972.80

Finding the Fourth Proportional to 352,150.40, 526,843.20 and 318,972.80

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Solution

The fourth proportional to 352,150.40, 526,843.20 and 318,972.80 is: 477,207.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,150.40 : 526,843.20 = 318,972.80 : x
  2. Step 2: Convert to fraction form
    352,150.40/526,843.20 = 318,972.80/x
  3. Step 3: Cross multiply
    352,150.40x = 526,843.20 × 318,972.80
  4. Step 4: Simplify right side
    352,150.40x = 168,048,650,664.96
  5. Step 5: Solve for x
    x = 168,048,650,664.96/352,150.40
  6. Step 6: Final answer
    x = 477,207.04

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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.