Home / 226,291.46-312,247.53-130,779.72

Finding the Fourth Proportional to 226,291.46, 312,247.53 and 130,779.72

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Solution

The fourth proportional to 226,291.46, 312,247.53 and 130,779.72 is: 180,455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,291.46 : 312,247.53 = 130,779.72 : x
  2. Step 2: Convert to fraction form
    226,291.46/312,247.53 = 130,779.72/x
  3. Step 3: Cross multiply
    226,291.46x = 312,247.53 × 130,779.72
  4. Step 4: Simplify right side
    226,291.46x = 40,835,644,544.09
  5. Step 5: Solve for x
    x = 40,835,644,544.09/226,291.46
  6. Step 6: Final answer
    x = 180,455.97

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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.