Home / 330,355.26-495,606.69-105,729.17

Finding the Fourth Proportional to 330,355.26, 495,606.69 and 105,729.17

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Solution

The fourth proportional to 330,355.26, 495,606.69 and 105,729.17 is: 158,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,355.26 : 495,606.69 = 105,729.17 : x
  2. Step 2: Convert to fraction form
    330,355.26/495,606.69 = 105,729.17/x
  3. Step 3: Cross multiply
    330,355.26x = 495,606.69 × 105,729.17
  4. Step 4: Simplify right side
    330,355.26x = 52,400,081,502.11
  5. Step 5: Solve for x
    x = 52,400,081,502.11/330,355.26
  6. Step 6: Final answer
    x = 158,617.37

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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.