Home / 277,119.22-382,392.02-156,253.30

Finding the Fourth Proportional to 277,119.22, 382,392.02 and 156,253.30

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Solution

The fourth proportional to 277,119.22, 382,392.02 and 156,253.30 is: 215,611.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,119.22 : 382,392.02 = 156,253.30 : x
  2. Step 2: Convert to fraction form
    277,119.22/382,392.02 = 156,253.30/x
  3. Step 3: Cross multiply
    277,119.22x = 382,392.02 × 156,253.30
  4. Step 4: Simplify right side
    277,119.22x = 59,750,015,018.67
  5. Step 5: Solve for x
    x = 59,750,015,018.67/277,119.22
  6. Step 6: Final answer
    x = 215,611.23

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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.