Home / 219,770.98-329,669.31-84,835.76

Finding the Fourth Proportional to 219,770.98, 329,669.31 and 84,835.76

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Solution

The fourth proportional to 219,770.98, 329,669.31 and 84,835.76 is: 127,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,770.98 : 329,669.31 = 84,835.76 : x
  2. Step 2: Convert to fraction form
    219,770.98/329,669.31 = 84,835.76/x
  3. Step 3: Cross multiply
    219,770.98x = 329,669.31 × 84,835.76
  4. Step 4: Simplify right side
    219,770.98x = 27,967,746,462.53
  5. Step 5: Solve for x
    x = 27,967,746,462.53/219,770.98
  6. Step 6: Final answer
    x = 127,258.60

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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.