Home / 219,271.14-328,878.98-69,512.90

Finding the Fourth Proportional to 219,271.14, 328,878.98 and 69,512.90

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Solution

The fourth proportional to 219,271.14, 328,878.98 and 69,512.90 is: 104,260.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,271.14 : 328,878.98 = 69,512.90 : x
  2. Step 2: Convert to fraction form
    219,271.14/328,878.98 = 69,512.90/x
  3. Step 3: Cross multiply
    219,271.14x = 328,878.98 × 69,512.90
  4. Step 4: Simplify right side
    219,271.14x = 22,861,331,648.84
  5. Step 5: Solve for x
    x = 22,861,331,648.84/219,271.14
  6. Step 6: Final answer
    x = 104,260.56

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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.