Home / 226,258.70-312,218.79-130,771.58

Finding the Fourth Proportional to 226,258.70, 312,218.79 and 130,771.58

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Solution

The fourth proportional to 226,258.70, 312,218.79 and 130,771.58 is: 180,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,258.70 : 312,218.79 = 130,771.58 : x
  2. Step 2: Convert to fraction form
    226,258.70/312,218.79 = 130,771.58/x
  3. Step 3: Cross multiply
    226,258.70x = 312,218.79 × 130,771.58
  4. Step 4: Simplify right side
    226,258.70x = 40,829,344,473.99
  5. Step 5: Solve for x
    x = 40,829,344,473.99/226,258.70
  6. Step 6: Final answer
    x = 180,454.25

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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.