Home / 226,282.79-312,260.15-135,688.75

Finding the Fourth Proportional to 226,282.79, 312,260.15 and 135,688.75

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Solution

The fourth proportional to 226,282.79, 312,260.15 and 135,688.75 is: 187,244.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,282.79 : 312,260.15 = 135,688.75 : x
  2. Step 2: Convert to fraction form
    226,282.79/312,260.15 = 135,688.75/x
  3. Step 3: Cross multiply
    226,282.79x = 312,260.15 × 135,688.75
  4. Step 4: Simplify right side
    226,282.79x = 42,370,188,986.88
  5. Step 5: Solve for x
    x = 42,370,188,986.88/226,282.79
  6. Step 6: Final answer
    x = 187,244.41

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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.