Home / 277,118.21-382,390.63-156,252.30

Finding the Fourth Proportional to 277,118.21, 382,390.63 and 156,252.30

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Solution

The fourth proportional to 277,118.21, 382,390.63 and 156,252.30 is: 215,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,118.21 : 382,390.63 = 156,252.30 : x
  2. Step 2: Convert to fraction form
    277,118.21/382,390.63 = 156,252.30/x
  3. Step 3: Cross multiply
    277,118.21x = 382,390.63 × 156,252.30
  4. Step 4: Simplify right side
    277,118.21x = 59,749,415,435.95
  5. Step 5: Solve for x
    x = 59,749,415,435.95/277,118.21
  6. Step 6: Final answer
    x = 215,609.85

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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.