Home / 275,890.20-413,288.55-243,012.30

Finding the Fourth Proportional to 275,890.20, 413,288.55 and 243,012.30

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Solution

The fourth proportional to 275,890.20, 413,288.55 and 243,012.30 is: 364,036.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,890.20 : 413,288.55 = 243,012.30 : x
  2. Step 2: Convert to fraction form
    275,890.20/413,288.55 = 243,012.30/x
  3. Step 3: Cross multiply
    275,890.20x = 413,288.55 × 243,012.30
  4. Step 4: Simplify right side
    275,890.20x = 100,434,201,099.17
  5. Step 5: Solve for x
    x = 100,434,201,099.17/275,890.20
  6. Step 6: Final answer
    x = 364,036.86

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1.5x scale

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.