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Finding the Fourth Proportional to 245,848.80, 368,254.80 and 204,376.80

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Solution

The fourth proportional to 245,848.80, 368,254.80 and 204,376.80 is: 306,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,848.80 : 368,254.80 = 204,376.80 : x
  2. Step 2: Convert to fraction form
    245,848.80/368,254.80 = 204,376.80/x
  3. Step 3: Cross multiply
    245,848.80x = 368,254.80 × 204,376.80
  4. Step 4: Simplify right side
    245,848.80x = 75,262,737,608.64
  5. Step 5: Solve for x
    x = 75,262,737,608.64/245,848.80
  6. Step 6: Final answer
    x = 306,134.25

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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.