Home / 218,975.10-328,473.45-113,999.10

Finding the Fourth Proportional to 218,975.10, 328,473.45 and 113,999.10

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Solution

The fourth proportional to 218,975.10, 328,473.45 and 113,999.10 is: 171,004.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,975.10 : 328,473.45 = 113,999.10 : x
  2. Step 2: Convert to fraction form
    218,975.10/328,473.45 = 113,999.10/x
  3. Step 3: Cross multiply
    218,975.10x = 328,473.45 × 113,999.10
  4. Step 4: Simplify right side
    218,975.10x = 37,445,677,673.90
  5. Step 5: Solve for x
    x = 37,445,677,673.90/218,975.10
  6. Step 6: Final answer
    x = 171,004.27

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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.