Home / 330,309.24-495,422.82-105,693

Finding the Fourth Proportional to 330,309.24, 495,422.82 and 105,693

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Solution

The fourth proportional to 330,309.24, 495,422.82 and 105,693 is: 158,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,309.24 : 495,422.82 = 105,693 : x
  2. Step 2: Convert to fraction form
    330,309.24/495,422.82 = 105,693/x
  3. Step 3: Cross multiply
    330,309.24x = 495,422.82 × 105,693
  4. Step 4: Simplify right side
    330,309.24x = 52,362,724,114.26
  5. Step 5: Solve for x
    x = 52,362,724,114.26/330,309.24
  6. Step 6: Final answer
    x = 158,526.37

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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.