Home / 228,868.56-343,196.28-86,741.04

Finding the Fourth Proportional to 228,868.56, 343,196.28 and 86,741.04

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Solution

The fourth proportional to 228,868.56, 343,196.28 and 86,741.04 is: 130,071.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,868.56 : 343,196.28 = 86,741.04 : x
  2. Step 2: Convert to fraction form
    228,868.56/343,196.28 = 86,741.04/x
  3. Step 3: Cross multiply
    228,868.56x = 343,196.28 × 86,741.04
  4. Step 4: Simplify right side
    228,868.56x = 29,769,202,251.33
  5. Step 5: Solve for x
    x = 29,769,202,251.33/228,868.56
  6. Step 6: Final answer
    x = 130,071.17

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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.