Home / 375,243.22-517,788.21-298,955.80

Finding the Fourth Proportional to 375,243.22, 517,788.21 and 298,955.80

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Solution

The fourth proportional to 375,243.22, 517,788.21 and 298,955.80 is: 412,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,243.22 : 517,788.21 = 298,955.80 : x
  2. Step 2: Convert to fraction form
    375,243.22/517,788.21 = 298,955.80/x
  3. Step 3: Cross multiply
    375,243.22x = 517,788.21 × 298,955.80
  4. Step 4: Simplify right side
    375,243.22x = 154,795,788,551.12
  5. Step 5: Solve for x
    x = 154,795,788,551.12/375,243.22
  6. Step 6: Final answer
    x = 412,521.21

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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.