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Finding the Fourth Proportional to 350,364.55, 483,502.96 and 189,219.63

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Solution

The fourth proportional to 350,364.55, 483,502.96 and 189,219.63 is: 261,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,364.55 : 483,502.96 = 189,219.63 : x
  2. Step 2: Convert to fraction form
    350,364.55/483,502.96 = 189,219.63/x
  3. Step 3: Cross multiply
    350,364.55x = 483,502.96 × 189,219.63
  4. Step 4: Simplify right side
    350,364.55x = 91,488,251,195.10
  5. Step 5: Solve for x
    x = 91,488,251,195.10/350,364.55
  6. Step 6: Final answer
    x = 261,123.03

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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.