Home / 221,071.09-331,605.63-63,299.50

Finding the Fourth Proportional to 221,071.09, 331,605.63 and 63,299.50

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Solution

The fourth proportional to 221,071.09, 331,605.63 and 63,299.50 is: 94,948.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,071.09 : 331,605.63 = 63,299.50 : x
  2. Step 2: Convert to fraction form
    221,071.09/331,605.63 = 63,299.50/x
  3. Step 3: Cross multiply
    221,071.09x = 331,605.63 × 63,299.50
  4. Step 4: Simplify right side
    221,071.09x = 20,990,470,576.19
  5. Step 5: Solve for x
    x = 20,990,470,576.19/221,071.09
  6. Step 6: Final answer
    x = 94,948.96

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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.