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Finding the Fourth Proportional to 161,727.60, 226,885.20 and 161,727.60

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Solution

The fourth proportional to 161,727.60, 226,885.20 and 161,727.60 is: 226,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,727.60 : 226,885.20 = 161,727.60 : x
  2. Step 2: Convert to fraction form
    161,727.60/226,885.20 = 161,727.60/x
  3. Step 3: Cross multiply
    161,727.60x = 226,885.20 × 161,727.60
  4. Step 4: Simplify right side
    161,727.60x = 36,693,598,871.52
  5. Step 5: Solve for x
    x = 36,693,598,871.52/161,727.60
  6. Step 6: Final answer
    x = 226,885.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.