Home / 218,536.32-327,960-168,666.24

Finding the Fourth Proportional to 218,536.32, 327,960 and 168,666.24

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Solution

The fourth proportional to 218,536.32, 327,960 and 168,666.24 is: 253,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,536.32 : 327,960 = 168,666.24 : x
  2. Step 2: Convert to fraction form
    218,536.32/327,960 = 168,666.24/x
  3. Step 3: Cross multiply
    218,536.32x = 327,960 × 168,666.24
  4. Step 4: Simplify right side
    218,536.32x = 55,315,780,070.40
  5. Step 5: Solve for x
    x = 55,315,780,070.40/218,536.32
  6. Step 6: Final answer
    x = 253,119.39

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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.