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Finding the Fourth Proportional to 366,954.95, 550,432.43 and 209,490.95

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Solution

The fourth proportional to 366,954.95, 550,432.43 and 209,490.95 is: 314,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,954.95 : 550,432.43 = 209,490.95 : x
  2. Step 2: Convert to fraction form
    366,954.95/550,432.43 = 209,490.95/x
  3. Step 3: Cross multiply
    366,954.95x = 550,432.43 × 209,490.95
  4. Step 4: Simplify right side
    366,954.95x = 115,310,612,671.51
  5. Step 5: Solve for x
    x = 115,310,612,671.51/366,954.95
  6. Step 6: Final answer
    x = 314,236.43

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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.