Home / 281,040.82-387,850.53-166,385.26

Finding the Fourth Proportional to 281,040.82, 387,850.53 and 166,385.26

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Solution

The fourth proportional to 281,040.82, 387,850.53 and 166,385.26 is: 229,620.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,040.82 : 387,850.53 = 166,385.26 : x
  2. Step 2: Convert to fraction form
    281,040.82/387,850.53 = 166,385.26/x
  3. Step 3: Cross multiply
    281,040.82x = 387,850.53 × 166,385.26
  4. Step 4: Simplify right side
    281,040.82x = 64,532,611,275.19
  5. Step 5: Solve for x
    x = 64,532,611,275.19/281,040.82
  6. Step 6: Final answer
    x = 229,620.06

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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.