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Finding the Fourth Proportional to 450,551.45, 676,060.14 and 198,009.14

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Solution

The fourth proportional to 450,551.45, 676,060.14 and 198,009.14 is: 297,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,551.45 : 676,060.14 = 198,009.14 : x
  2. Step 2: Convert to fraction form
    450,551.45/676,060.14 = 198,009.14/x
  3. Step 3: Cross multiply
    450,551.45x = 676,060.14 × 198,009.14
  4. Step 4: Simplify right side
    450,551.45x = 133,866,083,529.38
  5. Step 5: Solve for x
    x = 133,866,083,529.38/450,551.45
  6. Step 6: Final answer
    x = 297,116.09

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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.