Home / 330,536.46-495,716.13-143,503.50

Finding the Fourth Proportional to 330,536.46, 495,716.13 and 143,503.50

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Solution

The fourth proportional to 330,536.46, 495,716.13 and 143,503.50 is: 215,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,536.46 : 495,716.13 = 143,503.50 : x
  2. Step 2: Convert to fraction form
    330,536.46/495,716.13 = 143,503.50/x
  3. Step 3: Cross multiply
    330,536.46x = 495,716.13 × 143,503.50
  4. Step 4: Simplify right side
    330,536.46x = 71,136,999,661.46
  5. Step 5: Solve for x
    x = 71,136,999,661.46/330,536.46
  6. Step 6: Final answer
    x = 215,216.80

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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.