Home / 252,466.35-378,778.10-74,974.29

Finding the Fourth Proportional to 252,466.35, 378,778.10 and 74,974.29

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Solution

The fourth proportional to 252,466.35, 378,778.10 and 74,974.29 is: 112,484.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,466.35 : 378,778.10 = 74,974.29 : x
  2. Step 2: Convert to fraction form
    252,466.35/378,778.10 = 74,974.29/x
  3. Step 3: Cross multiply
    252,466.35x = 378,778.10 × 74,974.29
  4. Step 4: Simplify right side
    252,466.35x = 28,398,618,740.18
  5. Step 5: Solve for x
    x = 28,398,618,740.18/252,466.35
  6. Step 6: Final answer
    x = 112,484.77

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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.