Home / 217,486.30-325,840.65-177,828.70

Finding the Fourth Proportional to 217,486.30, 325,840.65 and 177,828.70

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Solution

The fourth proportional to 217,486.30, 325,840.65 and 177,828.70 is: 266,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,486.30 : 325,840.65 = 177,828.70 : x
  2. Step 2: Convert to fraction form
    217,486.30/325,840.65 = 177,828.70/x
  3. Step 3: Cross multiply
    217,486.30x = 325,840.65 × 177,828.70
  4. Step 4: Simplify right side
    217,486.30x = 57,943,819,196.66
  5. Step 5: Solve for x
    x = 57,943,819,196.66/217,486.30
  6. Step 6: Final answer
    x = 266,425.15

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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.