Home / 221,444.31-331,667.06-102,866.11

Finding the Fourth Proportional to 221,444.31, 331,667.06 and 102,866.11

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Solution

The fourth proportional to 221,444.31, 331,667.06 and 102,866.11 is: 154,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,444.31 : 331,667.06 = 102,866.11 : x
  2. Step 2: Convert to fraction form
    221,444.31/331,667.06 = 102,866.11/x
  3. Step 3: Cross multiply
    221,444.31x = 331,667.06 × 102,866.11
  4. Step 4: Simplify right side
    221,444.31x = 34,117,301,106.50
  5. Step 5: Solve for x
    x = 34,117,301,106.50/221,444.31
  6. Step 6: Final answer
    x = 154,067.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.