Home / 252,345.09-378,519.03-74,853.42

Finding the Fourth Proportional to 252,345.09, 378,519.03 and 74,853.42

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Solution

The fourth proportional to 252,345.09, 378,519.03 and 74,853.42 is: 112,280.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,345.09 : 378,519.03 = 74,853.42 : x
  2. Step 2: Convert to fraction form
    252,345.09/378,519.03 = 74,853.42/x
  3. Step 3: Cross multiply
    252,345.09x = 378,519.03 × 74,853.42
  4. Step 4: Simplify right side
    252,345.09x = 28,333,443,930.58
  5. Step 5: Solve for x
    x = 28,333,443,930.58/252,345.09
  6. Step 6: Final answer
    x = 112,280.54

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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.