Home / 286,787.41-395,764.17-159,461.89

Finding the Fourth Proportional to 286,787.41, 395,764.17 and 159,461.89

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Solution

The fourth proportional to 286,787.41, 395,764.17 and 159,461.89 is: 220,056.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,787.41 : 395,764.17 = 159,461.89 : x
  2. Step 2: Convert to fraction form
    286,787.41/395,764.17 = 159,461.89/x
  3. Step 3: Cross multiply
    286,787.41x = 395,764.17 × 159,461.89
  4. Step 4: Simplify right side
    286,787.41x = 63,109,302,542.48
  5. Step 5: Solve for x
    x = 63,109,302,542.48/286,787.41
  6. Step 6: Final answer
    x = 220,056.04

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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.