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Finding the Fourth Proportional to 226,230.06, 312,054.02 and 138,976.98

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Solution

The fourth proportional to 226,230.06, 312,054.02 and 138,976.98 is: 191,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,230.06 : 312,054.02 = 138,976.98 : x
  2. Step 2: Convert to fraction form
    226,230.06/312,054.02 = 138,976.98/x
  3. Step 3: Cross multiply
    226,230.06x = 312,054.02 × 138,976.98
  4. Step 4: Simplify right side
    226,230.06x = 43,368,325,296.46
  5. Step 5: Solve for x
    x = 43,368,325,296.46/226,230.06
  6. Step 6: Final answer
    x = 191,700.10

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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.