Home / 277,116.24-415,718.16-90,084

Finding the Fourth Proportional to 277,116.24, 415,718.16 and 90,084

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Solution

The fourth proportional to 277,116.24, 415,718.16 and 90,084 is: 135,140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,116.24 : 415,718.16 = 90,084 : x
  2. Step 2: Convert to fraction form
    277,116.24/415,718.16 = 90,084/x
  3. Step 3: Cross multiply
    277,116.24x = 415,718.16 × 90,084
  4. Step 4: Simplify right side
    277,116.24x = 37,449,554,725.44
  5. Step 5: Solve for x
    x = 37,449,554,725.44/277,116.24
  6. Step 6: Final answer
    x = 135,140.24

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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.