Home / 226,315.44-312,280.60-130,803.72

Finding the Fourth Proportional to 226,315.44, 312,280.60 and 130,803.72

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Solution

The fourth proportional to 226,315.44, 312,280.60 and 130,803.72 is: 180,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,315.44 : 312,280.60 = 130,803.72 : x
  2. Step 2: Convert to fraction form
    226,315.44/312,280.60 = 130,803.72/x
  3. Step 3: Cross multiply
    226,315.44x = 312,280.60 × 130,803.72
  4. Step 4: Simplify right side
    226,315.44x = 40,847,464,163.83
  5. Step 5: Solve for x
    x = 40,847,464,163.83/226,315.44
  6. Step 6: Final answer
    x = 180,489.07

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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.