Home / 252,338.04-378,354.59-100,558.46

Finding the Fourth Proportional to 252,338.04, 378,354.59 and 100,558.46

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Solution

The fourth proportional to 252,338.04, 378,354.59 and 100,558.46 is: 150,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,338.04 : 378,354.59 = 100,558.46 : x
  2. Step 2: Convert to fraction form
    252,338.04/378,354.59 = 100,558.46/x
  3. Step 3: Cross multiply
    252,338.04x = 378,354.59 × 100,558.46
  4. Step 4: Simplify right side
    252,338.04x = 38,046,752,509.77
  5. Step 5: Solve for x
    x = 38,046,752,509.77/252,338.04
  6. Step 6: Final answer
    x = 150,776.92

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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.