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Finding the Fourth Proportional to 226,015.98, 311,808.63 and 130,454.94

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Solution

The fourth proportional to 226,015.98, 311,808.63 and 130,454.94 is: 179,973.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,015.98 : 311,808.63 = 130,454.94 : x
  2. Step 2: Convert to fraction form
    226,015.98/311,808.63 = 130,454.94/x
  3. Step 3: Cross multiply
    226,015.98x = 311,808.63 × 130,454.94
  4. Step 4: Simplify right side
    226,015.98x = 40,676,976,118.13
  5. Step 5: Solve for x
    x = 40,676,976,118.13/226,015.98
  6. Step 6: Final answer
    x = 179,973.89

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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.