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Finding the Fourth Proportional to 342,959.40, 473,126.40 and 222,141

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Solution

The fourth proportional to 342,959.40, 473,126.40 and 222,141 is: 306,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,959.40 : 473,126.40 = 222,141 : x
  2. Step 2: Convert to fraction form
    342,959.40/473,126.40 = 222,141/x
  3. Step 3: Cross multiply
    342,959.40x = 473,126.40 × 222,141
  4. Step 4: Simplify right side
    342,959.40x = 105,100,771,622.40
  5. Step 5: Solve for x
    x = 105,100,771,622.40/342,959.40
  6. Step 6: Final answer
    x = 306,452.52

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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.