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Finding the Fourth Proportional to 373,770.96, 515,803.02 and 210,414.18

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Solution

The fourth proportional to 373,770.96, 515,803.02 and 210,414.18 is: 290,371.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,770.96 : 515,803.02 = 210,414.18 : x
  2. Step 2: Convert to fraction form
    373,770.96/515,803.02 = 210,414.18/x
  3. Step 3: Cross multiply
    373,770.96x = 515,803.02 × 210,414.18
  4. Step 4: Simplify right side
    373,770.96x = 108,532,269,494.82
  5. Step 5: Solve for x
    x = 108,532,269,494.82/373,770.96
  6. Step 6: Final answer
    x = 290,371.06

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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.