Home / 281,039.32-387,848.46-166,383.76

Finding the Fourth Proportional to 281,039.32, 387,848.46 and 166,383.76

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Solution

The fourth proportional to 281,039.32, 387,848.46 and 166,383.76 is: 229,617.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,039.32 : 387,848.46 = 166,383.76 : x
  2. Step 2: Convert to fraction form
    281,039.32/387,848.46 = 166,383.76/x
  3. Step 3: Cross multiply
    281,039.32x = 387,848.46 × 166,383.76
  4. Step 4: Simplify right side
    281,039.32x = 64,531,685,085.01
  5. Step 5: Solve for x
    x = 64,531,685,085.01/281,039.32
  6. Step 6: Final answer
    x = 229,617.99

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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.