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Finding the Fourth Proportional to 366,972.55, 550,458.83 and 240,673.30

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Solution

The fourth proportional to 366,972.55, 550,458.83 and 240,673.30 is: 361,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,972.55 : 550,458.83 = 240,673.30 : x
  2. Step 2: Convert to fraction form
    366,972.55/550,458.83 = 240,673.30/x
  3. Step 3: Cross multiply
    366,972.55x = 550,458.83 × 240,673.30
  4. Step 4: Simplify right side
    366,972.55x = 132,480,743,130.24
  5. Step 5: Solve for x
    x = 132,480,743,130.24/366,972.55
  6. Step 6: Final answer
    x = 361,009.95

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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.