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Finding the Fourth Proportional to 366,945.10, 550,417.65 and 254,970.70

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Solution

The fourth proportional to 366,945.10, 550,417.65 and 254,970.70 is: 382,456.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,945.10 : 550,417.65 = 254,970.70 : x
  2. Step 2: Convert to fraction form
    366,945.10/550,417.65 = 254,970.70/x
  3. Step 3: Cross multiply
    366,945.10x = 550,417.65 × 254,970.70
  4. Step 4: Simplify right side
    366,945.10x = 140,340,373,512.86
  5. Step 5: Solve for x
    x = 140,340,373,512.86/366,945.10
  6. Step 6: Final answer
    x = 382,456.05

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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.