Home / 226,333.96-312,356.10-130,864.84

Finding the Fourth Proportional to 226,333.96, 312,356.10 and 130,864.84

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Solution

The fourth proportional to 226,333.96, 312,356.10 and 130,864.84 is: 180,602.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,333.96 : 312,356.10 = 130,864.84 : x
  2. Step 2: Convert to fraction form
    226,333.96/312,356.10 = 130,864.84/x
  3. Step 3: Cross multiply
    226,333.96x = 312,356.10 × 130,864.84
  4. Step 4: Simplify right side
    226,333.96x = 40,876,431,049.52
  5. Step 5: Solve for x
    x = 40,876,431,049.52/226,333.96
  6. Step 6: Final answer
    x = 180,602.29

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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.