Home / 274,125.60-378,301.20-153,267.18

Finding the Fourth Proportional to 274,125.60, 378,301.20 and 153,267.18

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Solution

The fourth proportional to 274,125.60, 378,301.20 and 153,267.18 is: 211,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,125.60 : 378,301.20 = 153,267.18 : x
  2. Step 2: Convert to fraction form
    274,125.60/378,301.20 = 153,267.18/x
  3. Step 3: Cross multiply
    274,125.60x = 378,301.20 × 153,267.18
  4. Step 4: Simplify right side
    274,125.60x = 57,981,158,114.62
  5. Step 5: Solve for x
    x = 57,981,158,114.62/274,125.60
  6. Step 6: Final answer
    x = 211,513.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.