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Finding the Fourth Proportional to 290,274.39, 435,416.19 and 110,362.56

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Solution

The fourth proportional to 290,274.39, 435,416.19 and 110,362.56 is: 165,545.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,274.39 : 435,416.19 = 110,362.56 : x
  2. Step 2: Convert to fraction form
    290,274.39/435,416.19 = 110,362.56/x
  3. Step 3: Cross multiply
    290,274.39x = 435,416.19 × 110,362.56
  4. Step 4: Simplify right side
    290,274.39x = 48,053,645,393.85
  5. Step 5: Solve for x
    x = 48,053,645,393.85/290,274.39
  6. Step 6: Final answer
    x = 165,545.59

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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.