Home / 277,240.56-382,583.36-156,380.08

Finding the Fourth Proportional to 277,240.56, 382,583.36 and 156,380.08

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Solution

The fourth proportional to 277,240.56, 382,583.36 and 156,380.08 is: 215,799.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,240.56 : 382,583.36 = 156,380.08 : x
  2. Step 2: Convert to fraction form
    277,240.56/382,583.36 = 156,380.08/x
  3. Step 3: Cross multiply
    277,240.56x = 382,583.36 × 156,380.08
  4. Step 4: Simplify right side
    277,240.56x = 59,828,416,443.47
  5. Step 5: Solve for x
    x = 59,828,416,443.47/277,240.56
  6. Step 6: Final answer
    x = 215,799.65

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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.