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Finding the Fourth Proportional to 341,363.70, 470,969.49 and 220,576.14

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Solution

The fourth proportional to 341,363.70, 470,969.49 and 220,576.14 is: 304,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,363.70 : 470,969.49 = 220,576.14 : x
  2. Step 2: Convert to fraction form
    341,363.70/470,969.49 = 220,576.14/x
  3. Step 3: Cross multiply
    341,363.70x = 470,969.49 × 220,576.14
  4. Step 4: Simplify right side
    341,363.70x = 103,884,632,161.97
  5. Step 5: Solve for x
    x = 103,884,632,161.97/341,363.70
  6. Step 6: Final answer
    x = 304,322.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.