Home / 277,333.07-382,686.70-156,467.30

Finding the Fourth Proportional to 277,333.07, 382,686.70 and 156,467.30

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Solution

The fourth proportional to 277,333.07, 382,686.70 and 156,467.30 is: 215,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,333.07 : 382,686.70 = 156,467.30 : x
  2. Step 2: Convert to fraction form
    277,333.07/382,686.70 = 156,467.30/x
  3. Step 3: Cross multiply
    277,333.07x = 382,686.70 × 156,467.30
  4. Step 4: Simplify right side
    277,333.07x = 59,877,954,694.91
  5. Step 5: Solve for x
    x = 59,877,954,694.91/277,333.07
  6. Step 6: Final answer
    x = 215,906.29

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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.