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Finding the Fourth Proportional to 647,740.24, 971,610.40 and 227,016.08

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Solution

The fourth proportional to 647,740.24, 971,610.40 and 227,016.08 is: 340,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,740.24 : 971,610.40 = 227,016.08 : x
  2. Step 2: Convert to fraction form
    647,740.24/971,610.40 = 227,016.08/x
  3. Step 3: Cross multiply
    647,740.24x = 971,610.40 × 227,016.08
  4. Step 4: Simplify right side
    647,740.24x = 220,571,184,295.23
  5. Step 5: Solve for x
    x = 220,571,184,295.23/647,740.24
  6. Step 6: Final answer
    x = 340,524.13

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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.