Home / 329,030.20-493,775.70-142,175.80

Finding the Fourth Proportional to 329,030.20, 493,775.70 and 142,175.80

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Solution

The fourth proportional to 329,030.20, 493,775.70 and 142,175.80 is: 213,363.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,030.20 : 493,775.70 = 142,175.80 : x
  2. Step 2: Convert to fraction form
    329,030.20/493,775.70 = 142,175.80/x
  3. Step 3: Cross multiply
    329,030.20x = 493,775.70 × 142,175.80
  4. Step 4: Simplify right side
    329,030.20x = 70,202,955,168.06
  5. Step 5: Solve for x
    x = 70,202,955,168.06/329,030.20
  6. Step 6: Final answer
    x = 213,363.26

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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.