Home / 204,309.20-305,807.16-109,302.32

Finding the Fourth Proportional to 204,309.20, 305,807.16 and 109,302.32

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Solution

The fourth proportional to 204,309.20, 305,807.16 and 109,302.32 is: 163,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,309.20 : 305,807.16 = 109,302.32 : x
  2. Step 2: Convert to fraction form
    204,309.20/305,807.16 = 109,302.32/x
  3. Step 3: Cross multiply
    204,309.20x = 305,807.16 × 109,302.32
  4. Step 4: Simplify right side
    204,309.20x = 33,425,432,060.61
  5. Step 5: Solve for x
    x = 33,425,432,060.61/204,309.20
  6. Step 6: Final answer
    x = 163,602.19

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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.