Home / 330,214.05-495,182.57-105,514.38

Finding the Fourth Proportional to 330,214.05, 495,182.57 and 105,514.38

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Solution

The fourth proportional to 330,214.05, 495,182.57 and 105,514.38 is: 158,227.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,214.05 : 495,182.57 = 105,514.38 : x
  2. Step 2: Convert to fraction form
    330,214.05/495,182.57 = 105,514.38/x
  3. Step 3: Cross multiply
    330,214.05x = 495,182.57 × 105,514.38
  4. Step 4: Simplify right side
    330,214.05x = 52,248,881,332.78
  5. Step 5: Solve for x
    x = 52,248,881,332.78/330,214.05
  6. Step 6: Final answer
    x = 158,227.31

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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.