Home / 439,246.80-658,870.20-228,857.40

Finding the Fourth Proportional to 439,246.80, 658,870.20 and 228,857.40

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Solution

The fourth proportional to 439,246.80, 658,870.20 and 228,857.40 is: 343,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,246.80 : 658,870.20 = 228,857.40 : x
  2. Step 2: Convert to fraction form
    439,246.80/658,870.20 = 228,857.40/x
  3. Step 3: Cross multiply
    439,246.80x = 658,870.20 × 228,857.40
  4. Step 4: Simplify right side
    439,246.80x = 150,787,320,909.48
  5. Step 5: Solve for x
    x = 150,787,320,909.48/439,246.80
  6. Step 6: Final answer
    x = 343,286.10

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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.