Home / 228,974.80-343,302.20-135,432.40

Finding the Fourth Proportional to 228,974.80, 343,302.20 and 135,432.40

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Solution

The fourth proportional to 228,974.80, 343,302.20 and 135,432.40 is: 203,053.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,974.80 : 343,302.20 = 135,432.40 : x
  2. Step 2: Convert to fraction form
    228,974.80/343,302.20 = 135,432.40/x
  3. Step 3: Cross multiply
    228,974.80x = 343,302.20 × 135,432.40
  4. Step 4: Simplify right side
    228,974.80x = 46,494,240,871.28
  5. Step 5: Solve for x
    x = 46,494,240,871.28/228,974.80
  6. Step 6: Final answer
    x = 203,053.96

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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.