Home / 316,254.12-436,170.87-225,581.10

Finding the Fourth Proportional to 316,254.12, 436,170.87 and 225,581.10

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Solution

The fourth proportional to 316,254.12, 436,170.87 and 225,581.10 is: 311,116.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,254.12 : 436,170.87 = 225,581.10 : x
  2. Step 2: Convert to fraction form
    316,254.12/436,170.87 = 225,581.10/x
  3. Step 3: Cross multiply
    316,254.12x = 436,170.87 × 225,581.10
  4. Step 4: Simplify right side
    316,254.12x = 98,391,904,642.56
  5. Step 5: Solve for x
    x = 98,391,904,642.56/316,254.12
  6. Step 6: Final answer
    x = 311,116.59

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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.