Home / 432,739.02-649,169.97-133,244.46

Finding the Fourth Proportional to 432,739.02, 649,169.97 and 133,244.46

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Solution

The fourth proportional to 432,739.02, 649,169.97 and 133,244.46 is: 199,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,739.02 : 649,169.97 = 133,244.46 : x
  2. Step 2: Convert to fraction form
    432,739.02/649,169.97 = 133,244.46/x
  3. Step 3: Cross multiply
    432,739.02x = 649,169.97 × 133,244.46
  4. Step 4: Simplify right side
    432,739.02x = 86,498,302,100.87
  5. Step 5: Solve for x
    x = 86,498,302,100.87/432,739.02
  6. Step 6: Final answer
    x = 199,885.61

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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.