Home / 219,562.28-329,784.30-130,988.84

Finding the Fourth Proportional to 219,562.28, 329,784.30 and 130,988.84

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Solution

The fourth proportional to 219,562.28, 329,784.30 and 130,988.84 is: 196,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,562.28 : 329,784.30 = 130,988.84 : x
  2. Step 2: Convert to fraction form
    219,562.28/329,784.30 = 130,988.84/x
  3. Step 3: Cross multiply
    219,562.28x = 329,784.30 × 130,988.84
  4. Step 4: Simplify right side
    219,562.28x = 43,198,062,907.21
  5. Step 5: Solve for x
    x = 43,198,062,907.21/219,562.28
  6. Step 6: Final answer
    x = 196,746.28

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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.