Home / 221,848.86-306,299.21-131,233.92

Finding the Fourth Proportional to 221,848.86, 306,299.21 and 131,233.92

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Solution

The fourth proportional to 221,848.86, 306,299.21 and 131,233.92 is: 181,190.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,848.86 : 306,299.21 = 131,233.92 : x
  2. Step 2: Convert to fraction form
    221,848.86/306,299.21 = 131,233.92/x
  3. Step 3: Cross multiply
    221,848.86x = 306,299.21 × 131,233.92
  4. Step 4: Simplify right side
    221,848.86x = 40,196,845,365.03
  5. Step 5: Solve for x
    x = 40,196,845,365.03/221,848.86
  6. Step 6: Final answer
    x = 181,190.23

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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.