Home / 226,306.56-312,268.32-130,794.72

Finding the Fourth Proportional to 226,306.56, 312,268.32 and 130,794.72

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Solution

The fourth proportional to 226,306.56, 312,268.32 and 130,794.72 is: 180,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,306.56 : 312,268.32 = 130,794.72 : x
  2. Step 2: Convert to fraction form
    226,306.56/312,268.32 = 130,794.72/x
  3. Step 3: Cross multiply
    226,306.56x = 312,268.32 × 130,794.72
  4. Step 4: Simplify right side
    226,306.56x = 40,843,047,479.27
  5. Step 5: Solve for x
    x = 40,843,047,479.27/226,306.56
  6. Step 6: Final answer
    x = 180,476.64

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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.