Home / 226,290.39-312,336.87-130,783.29

Finding the Fourth Proportional to 226,290.39, 312,336.87 and 130,783.29

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Solution

The fourth proportional to 226,290.39, 312,336.87 and 130,783.29 is: 180,513.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,290.39 : 312,336.87 = 130,783.29 : x
  2. Step 2: Convert to fraction form
    226,290.39/312,336.87 = 130,783.29/x
  3. Step 3: Cross multiply
    226,290.39x = 312,336.87 × 130,783.29
  4. Step 4: Simplify right side
    226,290.39x = 40,848,443,446.90
  5. Step 5: Solve for x
    x = 40,848,443,446.90/226,290.39
  6. Step 6: Final answer
    x = 180,513.38

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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.