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Finding the Fourth Proportional to 274,501.60, 411,752.40 and 271,877.20

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Solution

The fourth proportional to 274,501.60, 411,752.40 and 271,877.20 is: 407,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,501.60 : 411,752.40 = 271,877.20 : x
  2. Step 2: Convert to fraction form
    274,501.60/411,752.40 = 271,877.20/x
  3. Step 3: Cross multiply
    274,501.60x = 411,752.40 × 271,877.20
  4. Step 4: Simplify right side
    274,501.60x = 111,946,089,605.28
  5. Step 5: Solve for x
    x = 111,946,089,605.28/274,501.60
  6. Step 6: Final answer
    x = 407,815.80

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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.