Home / 330,278.23-495,290.58-140,618.35

Finding the Fourth Proportional to 330,278.23, 495,290.58 and 140,618.35

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Solution

The fourth proportional to 330,278.23, 495,290.58 and 140,618.35 is: 210,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,278.23 : 495,290.58 = 140,618.35 : x
  2. Step 2: Convert to fraction form
    330,278.23/495,290.58 = 140,618.35/x
  3. Step 3: Cross multiply
    330,278.23x = 495,290.58 × 140,618.35
  4. Step 4: Simplify right side
    330,278.23x = 69,646,944,130.14
  5. Step 5: Solve for x
    x = 69,646,944,130.14/330,278.23
  6. Step 6: Final answer
    x = 210,873.55

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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.