Home / 226,285.63-312,135.65-134,342.51

Finding the Fourth Proportional to 226,285.63, 312,135.65 and 134,342.51

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Solution

The fourth proportional to 226,285.63, 312,135.65 and 134,342.51 is: 185,310.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,285.63 : 312,135.65 = 134,342.51 : x
  2. Step 2: Convert to fraction form
    226,285.63/312,135.65 = 134,342.51/x
  3. Step 3: Cross multiply
    226,285.63x = 312,135.65 × 134,342.51
  4. Step 4: Simplify right side
    226,285.63x = 41,933,087,464.31
  5. Step 5: Solve for x
    x = 41,933,087,464.31/226,285.63
  6. Step 6: Final answer
    x = 185,310.43

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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.