Home / 219,326.20-328,989.30-130,852.60

Finding the Fourth Proportional to 219,326.20, 328,989.30 and 130,852.60

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Solution

The fourth proportional to 219,326.20, 328,989.30 and 130,852.60 is: 196,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,326.20 : 328,989.30 = 130,852.60 : x
  2. Step 2: Convert to fraction form
    219,326.20/328,989.30 = 130,852.60/x
  3. Step 3: Cross multiply
    219,326.20x = 328,989.30 × 130,852.60
  4. Step 4: Simplify right side
    219,326.20x = 43,049,105,277.18
  5. Step 5: Solve for x
    x = 43,049,105,277.18/219,326.20
  6. Step 6: Final answer
    x = 196,278.90

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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.