Home / 219,316.20-329,006.70-69,570.60

Finding the Fourth Proportional to 219,316.20, 329,006.70 and 69,570.60

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Solution

The fourth proportional to 219,316.20, 329,006.70 and 69,570.60 is: 104,366.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,316.20 : 329,006.70 = 69,570.60 : x
  2. Step 2: Convert to fraction form
    219,316.20/329,006.70 = 69,570.60/x
  3. Step 3: Cross multiply
    219,316.20x = 329,006.70 × 69,570.60
  4. Step 4: Simplify right side
    219,316.20x = 22,889,193,523.02
  5. Step 5: Solve for x
    x = 22,889,193,523.02/219,316.20
  6. Step 6: Final answer
    x = 104,366.18

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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.