Home / 268,336.32-370,020.42-225,286.16

Finding the Fourth Proportional to 268,336.32, 370,020.42 and 225,286.16

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Solution

The fourth proportional to 268,336.32, 370,020.42 and 225,286.16 is: 310,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,336.32 : 370,020.42 = 225,286.16 : x
  2. Step 2: Convert to fraction form
    268,336.32/370,020.42 = 225,286.16/x
  3. Step 3: Cross multiply
    268,336.32x = 370,020.42 × 225,286.16
  4. Step 4: Simplify right side
    268,336.32x = 83,360,477,693.29
  5. Step 5: Solve for x
    x = 83,360,477,693.29/268,336.32
  6. Step 6: Final answer
    x = 310,656.71

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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.