Home / 329,048.20-493,802.70-142,193.80

Finding the Fourth Proportional to 329,048.20, 493,802.70 and 142,193.80

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Solution

The fourth proportional to 329,048.20, 493,802.70 and 142,193.80 is: 213,390.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,048.20 : 493,802.70 = 142,193.80 : x
  2. Step 2: Convert to fraction form
    329,048.20/493,802.70 = 142,193.80/x
  3. Step 3: Cross multiply
    329,048.20x = 493,802.70 × 142,193.80
  4. Step 4: Simplify right side
    329,048.20x = 70,215,682,363.26
  5. Step 5: Solve for x
    x = 70,215,682,363.26/329,048.20
  6. Step 6: Final answer
    x = 213,390.26

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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.