Home / 226,212.39-312,279.50-130,700.63

Finding the Fourth Proportional to 226,212.39, 312,279.50 and 130,700.63

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Solution

The fourth proportional to 226,212.39, 312,279.50 and 130,700.63 is: 180,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,212.39 : 312,279.50 = 130,700.63 : x
  2. Step 2: Convert to fraction form
    226,212.39/312,279.50 = 130,700.63/x
  3. Step 3: Cross multiply
    226,212.39x = 312,279.50 × 130,700.63
  4. Step 4: Simplify right side
    226,212.39x = 40,815,125,171.18
  5. Step 5: Solve for x
    x = 40,815,125,171.18/226,212.39
  6. Step 6: Final answer
    x = 180,428.34

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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.