Home / 219,067.20-328,600.80-140,335.20

Finding the Fourth Proportional to 219,067.20, 328,600.80 and 140,335.20

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Solution

The fourth proportional to 219,067.20, 328,600.80 and 140,335.20 is: 210,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,067.20 : 328,600.80 = 140,335.20 : x
  2. Step 2: Convert to fraction form
    219,067.20/328,600.80 = 140,335.20/x
  3. Step 3: Cross multiply
    219,067.20x = 328,600.80 × 140,335.20
  4. Step 4: Simplify right side
    219,067.20x = 46,114,258,988.16
  5. Step 5: Solve for x
    x = 46,114,258,988.16/219,067.20
  6. Step 6: Final answer
    x = 210,502.80

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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.