Home / 499,244.31-749,053.46-259,208.37

Finding the Fourth Proportional to 499,244.31, 749,053.46 and 259,208.37

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Solution

The fourth proportional to 499,244.31, 749,053.46 and 259,208.37 is: 388,909.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,244.31 : 749,053.46 = 259,208.37 : x
  2. Step 2: Convert to fraction form
    499,244.31/749,053.46 = 259,208.37/x
  3. Step 3: Cross multiply
    499,244.31x = 749,053.46 × 259,208.37
  4. Step 4: Simplify right side
    499,244.31x = 194,160,926,409.46
  5. Step 5: Solve for x
    x = 194,160,926,409.46/499,244.31
  6. Step 6: Final answer
    x = 388,909.64

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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.