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Finding the Fourth Proportional to 363,246.80, 544,870.20 and 346,917.20

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Solution

The fourth proportional to 363,246.80, 544,870.20 and 346,917.20 is: 520,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,246.80 : 544,870.20 = 346,917.20 : x
  2. Step 2: Convert to fraction form
    363,246.80/544,870.20 = 346,917.20/x
  3. Step 3: Cross multiply
    363,246.80x = 544,870.20 × 346,917.20
  4. Step 4: Simplify right side
    363,246.80x = 189,024,844,147.44
  5. Step 5: Solve for x
    x = 189,024,844,147.44/363,246.80
  6. Step 6: Final answer
    x = 520,375.80

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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.