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Finding the Fourth Proportional to 646,415.26, 969,548.73 and 247,047.16

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Solution

The fourth proportional to 646,415.26, 969,548.73 and 247,047.16 is: 370,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,415.26 : 969,548.73 = 247,047.16 : x
  2. Step 2: Convert to fraction form
    646,415.26/969,548.73 = 247,047.16/x
  3. Step 3: Cross multiply
    646,415.26x = 969,548.73 × 247,047.16
  4. Step 4: Simplify right side
    646,415.26x = 239,524,260,228.11
  5. Step 5: Solve for x
    x = 239,524,260,228.11/646,415.26
  6. Step 6: Final answer
    x = 370,542.40

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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.