Home / 219,943.80-330,316.65-192,387.60

Finding the Fourth Proportional to 219,943.80, 330,316.65 and 192,387.60

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Solution

The fourth proportional to 219,943.80, 330,316.65 and 192,387.60 is: 288,932.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,943.80 : 330,316.65 = 192,387.60 : x
  2. Step 2: Convert to fraction form
    219,943.80/330,316.65 = 192,387.60/x
  3. Step 3: Cross multiply
    219,943.80x = 330,316.65 × 192,387.60
  4. Step 4: Simplify right side
    219,943.80x = 63,548,827,533.54
  5. Step 5: Solve for x
    x = 63,548,827,533.54/219,943.80
  6. Step 6: Final answer
    x = 288,932.12

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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.