Home / 318,095.25-438,972.36-182,131.29

Finding the Fourth Proportional to 318,095.25, 438,972.36 and 182,131.29

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Solution

The fourth proportional to 318,095.25, 438,972.36 and 182,131.29 is: 251,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,095.25 : 438,972.36 = 182,131.29 : x
  2. Step 2: Convert to fraction form
    318,095.25/438,972.36 = 182,131.29/x
  3. Step 3: Cross multiply
    318,095.25x = 438,972.36 × 182,131.29
  4. Step 4: Simplify right side
    318,095.25x = 79,950,602,201.14
  5. Step 5: Solve for x
    x = 79,950,602,201.14/318,095.25
  6. Step 6: Final answer
    x = 251,341.70

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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.