Home / 330,731.28-495,703.20-230,347.92

Finding the Fourth Proportional to 330,731.28, 495,703.20 and 230,347.92

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Solution

The fourth proportional to 330,731.28, 495,703.20 and 230,347.92 is: 345,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,731.28 : 495,703.20 = 230,347.92 : x
  2. Step 2: Convert to fraction form
    330,731.28/495,703.20 = 230,347.92/x
  3. Step 3: Cross multiply
    330,731.28x = 495,703.20 × 230,347.92
  4. Step 4: Simplify right side
    330,731.28x = 114,184,201,057.34
  5. Step 5: Solve for x
    x = 114,184,201,057.34/330,731.28
  6. Step 6: Final answer
    x = 345,247.66

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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.