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Finding the Fourth Proportional to 253,825.96, 350,235.42 and 144,880.56

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Solution

The fourth proportional to 253,825.96, 350,235.42 and 144,880.56 is: 199,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,825.96 : 350,235.42 = 144,880.56 : x
  2. Step 2: Convert to fraction form
    253,825.96/350,235.42 = 144,880.56/x
  3. Step 3: Cross multiply
    253,825.96x = 350,235.42 × 144,880.56
  4. Step 4: Simplify right side
    253,825.96x = 50,742,303,781.44
  5. Step 5: Solve for x
    x = 50,742,303,781.44/253,825.96
  6. Step 6: Final answer
    x = 199,909.83

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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.