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Finding the Fourth Proportional to 304,998.92, 420,524.36 and 247,475.35

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Solution

The fourth proportional to 304,998.92, 420,524.36 and 247,475.35 is: 341,212.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,998.92 : 420,524.36 = 247,475.35 : x
  2. Step 2: Convert to fraction form
    304,998.92/420,524.36 = 247,475.35/x
  3. Step 3: Cross multiply
    304,998.92x = 420,524.36 × 247,475.35
  4. Step 4: Simplify right side
    304,998.92x = 104,069,414,782.89
  5. Step 5: Solve for x
    x = 104,069,414,782.89/304,998.92
  6. Step 6: Final answer
    x = 341,212.41

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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.