Home / 248,077.46-371,820.90-172,789.94

Finding the Fourth Proportional to 248,077.46, 371,820.90 and 172,789.94

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Solution

The fourth proportional to 248,077.46, 371,820.90 and 172,789.94 is: 258,979.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,077.46 : 371,820.90 = 172,789.94 : x
  2. Step 2: Convert to fraction form
    248,077.46/371,820.90 = 172,789.94/x
  3. Step 3: Cross multiply
    248,077.46x = 371,820.90 × 172,789.94
  4. Step 4: Simplify right side
    248,077.46x = 64,246,911,001.75
  5. Step 5: Solve for x
    x = 64,246,911,001.75/248,077.46
  6. Step 6: Final answer
    x = 258,979.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.