Home / 219,026.22-328,579.84-69,304.20

Finding the Fourth Proportional to 219,026.22, 328,579.84 and 69,304.20

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Solution

The fourth proportional to 219,026.22, 328,579.84 and 69,304.20 is: 103,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,026.22 : 328,579.84 = 69,304.20 : x
  2. Step 2: Convert to fraction form
    219,026.22/328,579.84 = 69,304.20/x
  3. Step 3: Cross multiply
    219,026.22x = 328,579.84 × 69,304.20
  4. Step 4: Simplify right side
    219,026.22x = 22,771,962,947.33
  5. Step 5: Solve for x
    x = 22,771,962,947.33/219,026.22
  6. Step 6: Final answer
    x = 103,969.12

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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.