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Finding the Fourth Proportional to 660,205.08, 990,374.76 and 227,866.27

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Solution

The fourth proportional to 660,205.08, 990,374.76 and 227,866.27 is: 341,822.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,205.08 : 990,374.76 = 227,866.27 : x
  2. Step 2: Convert to fraction form
    660,205.08/990,374.76 = 227,866.27/x
  3. Step 3: Cross multiply
    660,205.08x = 990,374.76 × 227,866.27
  4. Step 4: Simplify right side
    660,205.08x = 225,672,999,132.91
  5. Step 5: Solve for x
    x = 225,672,999,132.91/660,205.08
  6. Step 6: Final answer
    x = 341,822.57

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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.