Home / 219,034.47-328,570.15-69,271.44

Finding the Fourth Proportional to 219,034.47, 328,570.15 and 69,271.44

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Solution

The fourth proportional to 219,034.47, 328,570.15 and 69,271.44 is: 103,912.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,034.47 : 328,570.15 = 69,271.44 : x
  2. Step 2: Convert to fraction form
    219,034.47/328,570.15 = 69,271.44/x
  3. Step 3: Cross multiply
    219,034.47x = 328,570.15 × 69,271.44
  4. Step 4: Simplify right side
    219,034.47x = 22,760,527,431.52
  5. Step 5: Solve for x
    x = 22,760,527,431.52/219,034.47
  6. Step 6: Final answer
    x = 103,912.99

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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.