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Finding the Fourth Proportional to 275,008.40, 412,512.60 and 205,024.40

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Solution

The fourth proportional to 275,008.40, 412,512.60 and 205,024.40 is: 307,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,008.40 : 412,512.60 = 205,024.40 : x
  2. Step 2: Convert to fraction form
    275,008.40/412,512.60 = 205,024.40/x
  3. Step 3: Cross multiply
    275,008.40x = 412,512.60 × 205,024.40
  4. Step 4: Simplify right side
    275,008.40x = 84,575,148,307.44
  5. Step 5: Solve for x
    x = 84,575,148,307.44/275,008.40
  6. Step 6: Final answer
    x = 307,536.60

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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.