Home / 252,288.69-378,433.03-119,182.40

Finding the Fourth Proportional to 252,288.69, 378,433.03 and 119,182.40

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Solution

The fourth proportional to 252,288.69, 378,433.03 and 119,182.40 is: 178,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,288.69 : 378,433.03 = 119,182.40 : x
  2. Step 2: Convert to fraction form
    252,288.69/378,433.03 = 119,182.40/x
  3. Step 3: Cross multiply
    252,288.69x = 378,433.03 × 119,182.40
  4. Step 4: Simplify right side
    252,288.69x = 45,102,556,754.67
  5. Step 5: Solve for x
    x = 45,102,556,754.67/252,288.69
  6. Step 6: Final answer
    x = 178,773.60

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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.