Home / 228,428.80-342,713.32-102,175.24

Finding the Fourth Proportional to 228,428.80, 342,713.32 and 102,175.24

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Solution

The fourth proportional to 228,428.80, 342,713.32 and 102,175.24 is: 153,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,428.80 : 342,713.32 = 102,175.24 : x
  2. Step 2: Convert to fraction form
    228,428.80/342,713.32 = 102,175.24/x
  3. Step 3: Cross multiply
    228,428.80x = 342,713.32 × 102,175.24
  4. Step 4: Simplify right side
    228,428.80x = 35,016,815,722.20
  5. Step 5: Solve for x
    x = 35,016,815,722.20/228,428.80
  6. Step 6: Final answer
    x = 153,294.22

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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.