Home / 219,026.30-328,571.80-69,232.60

Finding the Fourth Proportional to 219,026.30, 328,571.80 and 69,232.60

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Solution

The fourth proportional to 219,026.30, 328,571.80 and 69,232.60 is: 103,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,026.30 : 328,571.80 = 69,232.60 : x
  2. Step 2: Convert to fraction form
    219,026.30/328,571.80 = 69,232.60/x
  3. Step 3: Cross multiply
    219,026.30x = 328,571.80 × 69,232.60
  4. Step 4: Simplify right side
    219,026.30x = 22,747,880,000.68
  5. Step 5: Solve for x
    x = 22,747,880,000.68/219,026.30
  6. Step 6: Final answer
    x = 103,859.13

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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.