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Finding the Fourth Proportional to 551,420.60, 827,130.90 and 271,484.60

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Solution

The fourth proportional to 551,420.60, 827,130.90 and 271,484.60 is: 407,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,420.60 : 827,130.90 = 271,484.60 : x
  2. Step 2: Convert to fraction form
    551,420.60/827,130.90 = 271,484.60/x
  3. Step 3: Cross multiply
    551,420.60x = 827,130.90 × 271,484.60
  4. Step 4: Simplify right side
    551,420.60x = 224,553,301,534.14
  5. Step 5: Solve for x
    x = 224,553,301,534.14/551,420.60
  6. Step 6: Final answer
    x = 407,226.90

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Similar ratio
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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.