Home / 219,607.08-329,407.12-69,845.20

Finding the Fourth Proportional to 219,607.08, 329,407.12 and 69,845.20

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Solution

The fourth proportional to 219,607.08, 329,407.12 and 69,845.20 is: 104,766.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,607.08 : 329,407.12 = 69,845.20 : x
  2. Step 2: Convert to fraction form
    219,607.08/329,407.12 = 69,845.20/x
  3. Step 3: Cross multiply
    219,607.08x = 329,407.12 × 69,845.20
  4. Step 4: Simplify right side
    219,607.08x = 23,007,506,177.82
  5. Step 5: Solve for x
    x = 23,007,506,177.82/219,607.08
  6. Step 6: Final answer
    x = 104,766.69

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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.