Home / 204,810.20-307,215.30-195,133.40

Finding the Fourth Proportional to 204,810.20, 307,215.30 and 195,133.40

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Solution

The fourth proportional to 204,810.20, 307,215.30 and 195,133.40 is: 292,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,810.20 : 307,215.30 = 195,133.40 : x
  2. Step 2: Convert to fraction form
    204,810.20/307,215.30 = 195,133.40/x
  3. Step 3: Cross multiply
    204,810.20x = 307,215.30 × 195,133.40
  4. Step 4: Simplify right side
    204,810.20x = 59,947,966,021.02
  5. Step 5: Solve for x
    x = 59,947,966,021.02/204,810.20
  6. Step 6: Final answer
    x = 292,700.10

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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.