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Finding the Fourth Proportional to 329,120.36, 493,680.68 and 79,802.36

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Solution

The fourth proportional to 329,120.36, 493,680.68 and 79,802.36 is: 119,703.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,120.36 : 493,680.68 = 79,802.36 : x
  2. Step 2: Convert to fraction form
    329,120.36/493,680.68 = 79,802.36/x
  3. Step 3: Cross multiply
    329,120.36x = 493,680.68 × 79,802.36
  4. Step 4: Simplify right side
    329,120.36x = 39,396,883,350.40
  5. Step 5: Solve for x
    x = 39,396,883,350.40/329,120.36
  6. Step 6: Final answer
    x = 119,703.57

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1.5x scale

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.