Home / 204,051.80-306,077.70-154,285.40

Finding the Fourth Proportional to 204,051.80, 306,077.70 and 154,285.40

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Solution

The fourth proportional to 204,051.80, 306,077.70 and 154,285.40 is: 231,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,051.80 : 306,077.70 = 154,285.40 : x
  2. Step 2: Convert to fraction form
    204,051.80/306,077.70 = 154,285.40/x
  3. Step 3: Cross multiply
    204,051.80x = 306,077.70 × 154,285.40
  4. Step 4: Simplify right side
    204,051.80x = 47,223,320,375.58
  5. Step 5: Solve for x
    x = 47,223,320,375.58/204,051.80
  6. Step 6: Final answer
    x = 231,428.10

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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.