Home / 277,380.65-382,781.55-154,874.91

Finding the Fourth Proportional to 277,380.65, 382,781.55 and 154,874.91

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Solution

The fourth proportional to 277,380.65, 382,781.55 and 154,874.91 is: 213,725.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,380.65 : 382,781.55 = 154,874.91 : x
  2. Step 2: Convert to fraction form
    277,380.65/382,781.55 = 154,874.91/x
  3. Step 3: Cross multiply
    277,380.65x = 382,781.55 × 154,874.91
  4. Step 4: Simplify right side
    277,380.65x = 59,283,258,105.91
  5. Step 5: Solve for x
    x = 59,283,258,105.91/277,380.65
  6. Step 6: Final answer
    x = 213,725.29

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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.