Home / 219,172.44-328,755.08-69,412.50

Finding the Fourth Proportional to 219,172.44, 328,755.08 and 69,412.50

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Solution

The fourth proportional to 219,172.44, 328,755.08 and 69,412.50 is: 104,117.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,172.44 : 328,755.08 = 69,412.50 : x
  2. Step 2: Convert to fraction form
    219,172.44/328,755.08 = 69,412.50/x
  3. Step 3: Cross multiply
    219,172.44x = 328,755.08 × 69,412.50
  4. Step 4: Simplify right side
    219,172.44x = 22,819,711,990.50
  5. Step 5: Solve for x
    x = 22,819,711,990.50/219,172.44
  6. Step 6: Final answer
    x = 104,117.62

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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.