Home / 251,229.36-346,420.08-212,971.44

Finding the Fourth Proportional to 251,229.36, 346,420.08 and 212,971.44

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Solution

The fourth proportional to 251,229.36, 346,420.08 and 212,971.44 is: 293,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,229.36 : 346,420.08 = 212,971.44 : x
  2. Step 2: Convert to fraction form
    251,229.36/346,420.08 = 212,971.44/x
  3. Step 3: Cross multiply
    251,229.36x = 346,420.08 × 212,971.44
  4. Step 4: Simplify right side
    251,229.36x = 73,777,583,282.52
  5. Step 5: Solve for x
    x = 73,777,583,282.52/251,229.36
  6. Step 6: Final answer
    x = 293,666.25

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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.