Home / 277,216.88-382,537.28-156,319.52

Finding the Fourth Proportional to 277,216.88, 382,537.28 and 156,319.52

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Solution

The fourth proportional to 277,216.88, 382,537.28 and 156,319.52 is: 215,708.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,216.88 : 382,537.28 = 156,319.52 : x
  2. Step 2: Convert to fraction form
    277,216.88/382,537.28 = 156,319.52/x
  3. Step 3: Cross multiply
    277,216.88x = 382,537.28 × 156,319.52
  4. Step 4: Simplify right side
    277,216.88x = 59,798,042,469.82
  5. Step 5: Solve for x
    x = 59,798,042,469.82/277,216.88
  6. Step 6: Final answer
    x = 215,708.52

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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.