Home / 243,013.60-364,520.40-228,251.35

Finding the Fourth Proportional to 243,013.60, 364,520.40 and 228,251.35

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Solution

The fourth proportional to 243,013.60, 364,520.40 and 228,251.35 is: 342,377.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,013.60 : 364,520.40 = 228,251.35 : x
  2. Step 2: Convert to fraction form
    243,013.60/364,520.40 = 228,251.35/x
  3. Step 3: Cross multiply
    243,013.60x = 364,520.40 × 228,251.35
  4. Step 4: Simplify right side
    243,013.60x = 83,202,273,402.54
  5. Step 5: Solve for x
    x = 83,202,273,402.54/243,013.60
  6. Step 6: Final answer
    x = 342,377.03

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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.