Home / 393,060.62-589,445.87-140,273.48

Finding the Fourth Proportional to 393,060.62, 589,445.87 and 140,273.48

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Solution

The fourth proportional to 393,060.62, 589,445.87 and 140,273.48 is: 210,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,060.62 : 589,445.87 = 140,273.48 : x
  2. Step 2: Convert to fraction form
    393,060.62/589,445.87 = 140,273.48/x
  3. Step 3: Cross multiply
    393,060.62x = 589,445.87 × 140,273.48
  4. Step 4: Simplify right side
    393,060.62x = 82,683,619,807.93
  5. Step 5: Solve for x
    x = 82,683,619,807.93/393,060.62
  6. Step 6: Final answer
    x = 210,358.45

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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.