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Finding the Fourth Proportional to 222,275.97, 333,428.31 and 78,164.12

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Solution

The fourth proportional to 222,275.97, 333,428.31 and 78,164.12 is: 117,251.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,275.97 : 333,428.31 = 78,164.12 : x
  2. Step 2: Convert to fraction form
    222,275.97/333,428.31 = 78,164.12/x
  3. Step 3: Cross multiply
    222,275.97x = 333,428.31 × 78,164.12
  4. Step 4: Simplify right side
    222,275.97x = 26,062,130,434.24
  5. Step 5: Solve for x
    x = 26,062,130,434.24/222,275.97
  6. Step 6: Final answer
    x = 117,251.23

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1.5x scale

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.