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Finding the Fourth Proportional to 660,211.83, 990,384.87 and 227,873.03

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Solution

The fourth proportional to 660,211.83, 990,384.87 and 227,873.03 is: 341,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,211.83 : 990,384.87 = 227,873.03 : x
  2. Step 2: Convert to fraction form
    660,211.83/990,384.87 = 227,873.03/x
  3. Step 3: Cross multiply
    660,211.83x = 990,384.87 × 227,873.03
  4. Step 4: Simplify right side
    660,211.83x = 225,681,996,241.13
  5. Step 5: Solve for x
    x = 225,681,996,241.13/660,211.83
  6. Step 6: Final answer
    x = 341,832.71

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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.