Home / 219,480.28-329,070.66-105,567.94

Finding the Fourth Proportional to 219,480.28, 329,070.66 and 105,567.94

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Solution

The fourth proportional to 219,480.28, 329,070.66 and 105,567.94 is: 158,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,480.28 : 329,070.66 = 105,567.94 : x
  2. Step 2: Convert to fraction form
    219,480.28/329,070.66 = 105,567.94/x
  3. Step 3: Cross multiply
    219,480.28x = 329,070.66 × 105,567.94
  4. Step 4: Simplify right side
    219,480.28x = 34,739,311,690.64
  5. Step 5: Solve for x
    x = 34,739,311,690.64/219,480.28
  6. Step 6: Final answer
    x = 158,279.88

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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.