Home / 342,261.86-512,964.75-164,721.38

Finding the Fourth Proportional to 342,261.86, 512,964.75 and 164,721.38

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Solution

The fourth proportional to 342,261.86, 512,964.75 and 164,721.38 is: 246,876.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,261.86 : 512,964.75 = 164,721.38 : x
  2. Step 2: Convert to fraction form
    342,261.86/512,964.75 = 164,721.38/x
  3. Step 3: Cross multiply
    342,261.86x = 512,964.75 × 164,721.38
  4. Step 4: Simplify right side
    342,261.86x = 84,496,261,511.36
  5. Step 5: Solve for x
    x = 84,496,261,511.36/342,261.86
  6. Step 6: Final answer
    x = 246,876.07

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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.