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Finding the Fourth Proportional to 220,527.31, 330,900.27 and 87,404.62

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Solution

The fourth proportional to 220,527.31, 330,900.27 and 87,404.62 is: 131,150.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,527.31 : 330,900.27 = 87,404.62 : x
  2. Step 2: Convert to fraction form
    220,527.31/330,900.27 = 87,404.62/x
  3. Step 3: Cross multiply
    220,527.31x = 330,900.27 × 87,404.62
  4. Step 4: Simplify right side
    220,527.31x = 28,922,212,357.25
  5. Step 5: Solve for x
    x = 28,922,212,357.25/220,527.31
  6. Step 6: Final answer
    x = 131,150.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.