Home / 316,200.94-436,348.02-172,957.90

Finding the Fourth Proportional to 316,200.94, 436,348.02 and 172,957.90

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Solution

The fourth proportional to 316,200.94, 436,348.02 and 172,957.90 is: 238,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,200.94 : 436,348.02 = 172,957.90 : x
  2. Step 2: Convert to fraction form
    316,200.94/436,348.02 = 172,957.90/x
  3. Step 3: Cross multiply
    316,200.94x = 436,348.02 × 172,957.90
  4. Step 4: Simplify right side
    316,200.94x = 75,469,837,208.36
  5. Step 5: Solve for x
    x = 75,469,837,208.36/316,200.94
  6. Step 6: Final answer
    x = 238,676.83

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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.