Home / 270,239.27-405,140.07-112,585.73

Finding the Fourth Proportional to 270,239.27, 405,140.07 and 112,585.73

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Solution

The fourth proportional to 270,239.27, 405,140.07 and 112,585.73 is: 168,787.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,239.27 : 405,140.07 = 112,585.73 : x
  2. Step 2: Convert to fraction form
    270,239.27/405,140.07 = 112,585.73/x
  3. Step 3: Cross multiply
    270,239.27x = 405,140.07 × 112,585.73
  4. Step 4: Simplify right side
    270,239.27x = 45,612,990,533.20
  5. Step 5: Solve for x
    x = 45,612,990,533.20/270,239.27
  6. Step 6: Final answer
    x = 168,787.43

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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.