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Finding the Fourth Proportional to 647,966.80, 972,241.80 and 227,544.40

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Solution

The fourth proportional to 647,966.80, 972,241.80 and 227,544.40 is: 341,419.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,966.80 : 972,241.80 = 227,544.40 : x
  2. Step 2: Convert to fraction form
    647,966.80/972,241.80 = 227,544.40/x
  3. Step 3: Cross multiply
    647,966.80x = 972,241.80 × 227,544.40
  4. Step 4: Simplify right side
    647,966.80x = 221,228,177,035.92
  5. Step 5: Solve for x
    x = 221,228,177,035.92/647,966.80
  6. Step 6: Final answer
    x = 341,419.00

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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.