Home / 329,772.12-494,656.81-140,202.96

Finding the Fourth Proportional to 329,772.12, 494,656.81 and 140,202.96

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Solution

The fourth proportional to 329,772.12, 494,656.81 and 140,202.96 is: 210,303.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,772.12 : 494,656.81 = 140,202.96 : x
  2. Step 2: Convert to fraction form
    329,772.12/494,656.81 = 140,202.96/x
  3. Step 3: Cross multiply
    329,772.12x = 494,656.81 × 140,202.96
  4. Step 4: Simplify right side
    329,772.12x = 69,352,348,946.16
  5. Step 5: Solve for x
    x = 69,352,348,946.16/329,772.12
  6. Step 6: Final answer
    x = 210,303.86

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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.