Home / 252,560.04-378,664.38-127,815.72

Finding the Fourth Proportional to 252,560.04, 378,664.38 and 127,815.72

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Solution

The fourth proportional to 252,560.04, 378,664.38 and 127,815.72 is: 191,634.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,560.04 : 378,664.38 = 127,815.72 : x
  2. Step 2: Convert to fraction form
    252,560.04/378,664.38 = 127,815.72/x
  3. Step 3: Cross multiply
    252,560.04x = 378,664.38 × 127,815.72
  4. Step 4: Simplify right side
    252,560.04x = 48,399,260,368.05
  5. Step 5: Solve for x
    x = 48,399,260,368.05/252,560.04
  6. Step 6: Final answer
    x = 191,634.67

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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.