Home / 293,080.89-438,932.41-142,850.39

Finding the Fourth Proportional to 293,080.89, 438,932.41 and 142,850.39

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Solution

The fourth proportional to 293,080.89, 438,932.41 and 142,850.39 is: 213,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,080.89 : 438,932.41 = 142,850.39 : x
  2. Step 2: Convert to fraction form
    293,080.89/438,932.41 = 142,850.39/x
  3. Step 3: Cross multiply
    293,080.89x = 438,932.41 × 142,850.39
  4. Step 4: Simplify right side
    293,080.89x = 62,701,665,952.14
  5. Step 5: Solve for x
    x = 62,701,665,952.14/293,080.89
  6. Step 6: Final answer
    x = 213,939.80

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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.