Home / 316,150.12-436,287.17-172,910.16

Finding the Fourth Proportional to 316,150.12, 436,287.17 and 172,910.16

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Solution

The fourth proportional to 316,150.12, 436,287.17 and 172,910.16 is: 238,616.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,150.12 : 436,287.17 = 172,910.16 : x
  2. Step 2: Convert to fraction form
    316,150.12/436,287.17 = 172,910.16/x
  3. Step 3: Cross multiply
    316,150.12x = 436,287.17 × 172,910.16
  4. Step 4: Simplify right side
    316,150.12x = 75,438,485,966.37
  5. Step 5: Solve for x
    x = 75,438,485,966.37/316,150.12
  6. Step 6: Final answer
    x = 238,616.03

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1.5x scale

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.