Home / 226,289.21-312,244.43-130,777.47

Finding the Fourth Proportional to 226,289.21, 312,244.43 and 130,777.47

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Solution

The fourth proportional to 226,289.21, 312,244.43 and 130,777.47 is: 180,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,289.21 : 312,244.43 = 130,777.47 : x
  2. Step 2: Convert to fraction form
    226,289.21/312,244.43 = 130,777.47/x
  3. Step 3: Cross multiply
    226,289.21x = 312,244.43 × 130,777.47
  4. Step 4: Simplify right side
    226,289.21x = 40,834,535,923.10
  5. Step 5: Solve for x
    x = 40,834,535,923.10/226,289.21
  6. Step 6: Final answer
    x = 180,452.87

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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.