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Finding the Fourth Proportional to 223,360.32, 308,238.24 and 122,764.80

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Solution

The fourth proportional to 223,360.32, 308,238.24 and 122,764.80 is: 169,415.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,360.32 : 308,238.24 = 122,764.80 : x
  2. Step 2: Convert to fraction form
    223,360.32/308,238.24 = 122,764.80/x
  3. Step 3: Cross multiply
    223,360.32x = 308,238.24 × 122,764.80
  4. Step 4: Simplify right side
    223,360.32x = 37,840,805,885.95
  5. Step 5: Solve for x
    x = 37,840,805,885.95/223,360.32
  6. Step 6: Final answer
    x = 169,415.97

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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.