Home / 499,131.56-688,800.02-272,777.06

Finding the Fourth Proportional to 499,131.56, 688,800.02 and 272,777.06

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Solution

The fourth proportional to 499,131.56, 688,800.02 and 272,777.06 is: 376,431.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,131.56 : 688,800.02 = 272,777.06 : x
  2. Step 2: Convert to fraction form
    499,131.56/688,800.02 = 272,777.06/x
  3. Step 3: Cross multiply
    499,131.56x = 688,800.02 × 272,777.06
  4. Step 4: Simplify right side
    499,131.56x = 187,888,844,383.54
  5. Step 5: Solve for x
    x = 187,888,844,383.54/499,131.56
  6. Step 6: Final answer
    x = 376,431.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.