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Finding the Fourth Proportional to 581,019.60, 871,356.60 and 225,829.20

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Solution

The fourth proportional to 581,019.60, 871,356.60 and 225,829.20 is: 338,676.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,019.60 : 871,356.60 = 225,829.20 : x
  2. Step 2: Convert to fraction form
    581,019.60/871,356.60 = 225,829.20/x
  3. Step 3: Cross multiply
    581,019.60x = 871,356.60 × 225,829.20
  4. Step 4: Simplify right side
    581,019.60x = 196,777,763,892.72
  5. Step 5: Solve for x
    x = 196,777,763,892.72/581,019.60
  6. Step 6: Final answer
    x = 338,676.64

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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.