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Finding the Fourth Proportional to 303,110.68, 418,219.59 and 195,657.70

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Solution

The fourth proportional to 303,110.68, 418,219.59 and 195,657.70 is: 269,960.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,110.68 : 418,219.59 = 195,657.70 : x
  2. Step 2: Convert to fraction form
    303,110.68/418,219.59 = 195,657.70/x
  3. Step 3: Cross multiply
    303,110.68x = 418,219.59 × 195,657.70
  4. Step 4: Simplify right side
    303,110.68x = 81,827,883,074.34
  5. Step 5: Solve for x
    x = 81,827,883,074.34/303,110.68
  6. Step 6: Final answer
    x = 269,960.41

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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.