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Finding the Fourth Proportional to 223,363.32, 308,242.38 and 122,767.80

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Solution

The fourth proportional to 223,363.32, 308,242.38 and 122,767.80 is: 169,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,363.32 : 308,242.38 = 122,767.80 : x
  2. Step 2: Convert to fraction form
    223,363.32/308,242.38 = 122,767.80/x
  3. Step 3: Cross multiply
    223,363.32x = 308,242.38 × 122,767.80
  4. Step 4: Simplify right side
    223,363.32x = 37,842,238,859.36
  5. Step 5: Solve for x
    x = 37,842,238,859.36/223,363.32
  6. Step 6: Final answer
    x = 169,420.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.