Home / 330,618.47-495,974.40-105,926.34

Finding the Fourth Proportional to 330,618.47, 495,974.40 and 105,926.34

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Solution

The fourth proportional to 330,618.47, 495,974.40 and 105,926.34 is: 158,904.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,618.47 : 495,974.40 = 105,926.34 : x
  2. Step 2: Convert to fraction form
    330,618.47/495,974.40 = 105,926.34/x
  3. Step 3: Cross multiply
    330,618.47x = 495,974.40 × 105,926.34
  4. Step 4: Simplify right side
    330,618.47x = 52,536,752,925.70
  5. Step 5: Solve for x
    x = 52,536,752,925.70/330,618.47
  6. Step 6: Final answer
    x = 158,904.47

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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.