Home / 226,289.22-312,244.38-130,777.50

Finding the Fourth Proportional to 226,289.22, 312,244.38 and 130,777.50

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Solution

The fourth proportional to 226,289.22, 312,244.38 and 130,777.50 is: 180,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,289.22 : 312,244.38 = 130,777.50 : x
  2. Step 2: Convert to fraction form
    226,289.22/312,244.38 = 130,777.50/x
  3. Step 3: Cross multiply
    226,289.22x = 312,244.38 × 130,777.50
  4. Step 4: Simplify right side
    226,289.22x = 40,834,539,405.45
  5. Step 5: Solve for x
    x = 40,834,539,405.45/226,289.22
  6. Step 6: Final answer
    x = 180,452.87

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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.