Home / 330,003.40-495,005.82-152,458.60

Finding the Fourth Proportional to 330,003.40, 495,005.82 and 152,458.60

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Solution

The fourth proportional to 330,003.40, 495,005.82 and 152,458.60 is: 228,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,003.40 : 495,005.82 = 152,458.60 : x
  2. Step 2: Convert to fraction form
    330,003.40/495,005.82 = 152,458.60/x
  3. Step 3: Cross multiply
    330,003.40x = 495,005.82 × 152,458.60
  4. Step 4: Simplify right side
    330,003.40x = 75,467,894,309.05
  5. Step 5: Solve for x
    x = 75,467,894,309.05/330,003.40
  6. Step 6: Final answer
    x = 228,688.23

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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.