Home / 281,038.04-387,799.87-166,321.69

Finding the Fourth Proportional to 281,038.04, 387,799.87 and 166,321.69

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Solution

The fourth proportional to 281,038.04, 387,799.87 and 166,321.69 is: 229,504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,038.04 : 387,799.87 = 166,321.69 : x
  2. Step 2: Convert to fraction form
    281,038.04/387,799.87 = 166,321.69/x
  3. Step 3: Cross multiply
    281,038.04x = 387,799.87 × 166,321.69
  4. Step 4: Simplify right side
    281,038.04x = 64,499,529,621.09
  5. Step 5: Solve for x
    x = 64,499,529,621.09/281,038.04
  6. Step 6: Final answer
    x = 229,504.62

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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.