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Finding the Fourth Proportional to 366,938.60, 550,407.90 and 254,964.20

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Solution

The fourth proportional to 366,938.60, 550,407.90 and 254,964.20 is: 382,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,938.60 : 550,407.90 = 254,964.20 : x
  2. Step 2: Convert to fraction form
    366,938.60/550,407.90 = 254,964.20/x
  3. Step 3: Cross multiply
    366,938.60x = 550,407.90 × 254,964.20
  4. Step 4: Simplify right side
    366,938.60x = 140,334,309,897.18
  5. Step 5: Solve for x
    x = 140,334,309,897.18/366,938.60
  6. Step 6: Final answer
    x = 382,446.30

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1.5x scale

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.