Home / 219,102.02-328,789.12-140,272.82

Finding the Fourth Proportional to 219,102.02, 328,789.12 and 140,272.82

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Solution

The fourth proportional to 219,102.02, 328,789.12 and 140,272.82 is: 210,496.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,102.02 : 328,789.12 = 140,272.82 : x
  2. Step 2: Convert to fraction form
    219,102.02/328,789.12 = 140,272.82/x
  3. Step 3: Cross multiply
    219,102.02x = 328,789.12 × 140,272.82
  4. Step 4: Simplify right side
    219,102.02x = 46,120,177,047.72
  5. Step 5: Solve for x
    x = 46,120,177,047.72/219,102.02
  6. Step 6: Final answer
    x = 210,496.36

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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.