Home / 219,768.80-329,677.28-69,973.88

Finding the Fourth Proportional to 219,768.80, 329,677.28 and 69,973.88

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Solution

The fourth proportional to 219,768.80, 329,677.28 and 69,973.88 is: 104,968.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,768.80 : 329,677.28 = 69,973.88 : x
  2. Step 2: Convert to fraction form
    219,768.80/329,677.28 = 69,973.88/x
  3. Step 3: Cross multiply
    219,768.80x = 329,677.28 × 69,973.88
  4. Step 4: Simplify right side
    219,768.80x = 23,068,798,429.45
  5. Step 5: Solve for x
    x = 23,068,798,429.45/219,768.80
  6. Step 6: Final answer
    x = 104,968.49

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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.