Home / 228,513.20-342,839.82-102,259.72

Finding the Fourth Proportional to 228,513.20, 342,839.82 and 102,259.72

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Solution

The fourth proportional to 228,513.20, 342,839.82 and 102,259.72 is: 153,420.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,513.20 : 342,839.82 = 102,259.72 : x
  2. Step 2: Convert to fraction form
    228,513.20/342,839.82 = 102,259.72/x
  3. Step 3: Cross multiply
    228,513.20x = 342,839.82 × 102,259.72
  4. Step 4: Simplify right side
    228,513.20x = 35,058,703,998.05
  5. Step 5: Solve for x
    x = 35,058,703,998.05/228,513.20
  6. Step 6: Final answer
    x = 153,420.91

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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.