Home / 219,033.47-328,568.65-69,270.44

Finding the Fourth Proportional to 219,033.47, 328,568.65 and 69,270.44

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Solution

The fourth proportional to 219,033.47, 328,568.65 and 69,270.44 is: 103,911.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,033.47 : 328,568.65 = 69,270.44 : x
  2. Step 2: Convert to fraction form
    219,033.47/328,568.65 = 69,270.44/x
  3. Step 3: Cross multiply
    219,033.47x = 328,568.65 × 69,270.44
  4. Step 4: Simplify right side
    219,033.47x = 22,760,093,139.69
  5. Step 5: Solve for x
    x = 22,760,093,139.69/219,033.47
  6. Step 6: Final answer
    x = 103,911.48

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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.