Home / 221,036.35-331,554.53-165,740.35

Finding the Fourth Proportional to 221,036.35, 331,554.53 and 165,740.35

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Solution

The fourth proportional to 221,036.35, 331,554.53 and 165,740.35 is: 248,610.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,036.35 : 331,554.53 = 165,740.35 : x
  2. Step 2: Convert to fraction form
    221,036.35/331,554.53 = 165,740.35/x
  3. Step 3: Cross multiply
    221,036.35x = 331,554.53 × 165,740.35
  4. Step 4: Simplify right side
    221,036.35x = 54,951,963,017.58
  5. Step 5: Solve for x
    x = 54,951,963,017.58/221,036.35
  6. Step 6: Final answer
    x = 248,610.53

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1.5x scale

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.