Home / 238,486.05-328,764.09-166,643.10

Finding the Fourth Proportional to 238,486.05, 328,764.09 and 166,643.10

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Solution

The fourth proportional to 238,486.05, 328,764.09 and 166,643.10 is: 229,725.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,486.05 : 328,764.09 = 166,643.10 : x
  2. Step 2: Convert to fraction form
    238,486.05/328,764.09 = 166,643.10/x
  3. Step 3: Cross multiply
    238,486.05x = 328,764.09 × 166,643.10
  4. Step 4: Simplify right side
    238,486.05x = 54,786,267,126.28
  5. Step 5: Solve for x
    x = 54,786,267,126.28/238,486.05
  6. Step 6: Final answer
    x = 229,725.25

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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.