Home / 252,800.34-379,107.50-102,959.25

Finding the Fourth Proportional to 252,800.34, 379,107.50 and 102,959.25

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Solution

The fourth proportional to 252,800.34, 379,107.50 and 102,959.25 is: 154,400.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,800.34 : 379,107.50 = 102,959.25 : x
  2. Step 2: Convert to fraction form
    252,800.34/379,107.50 = 102,959.25/x
  3. Step 3: Cross multiply
    252,800.34x = 379,107.50 × 102,959.25
  4. Step 4: Simplify right side
    252,800.34x = 39,032,623,354.58
  5. Step 5: Solve for x
    x = 39,032,623,354.58/252,800.34
  6. Step 6: Final answer
    x = 154,400.99

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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.