Home / 345,764.70-518,637.94-146,031.46

Finding the Fourth Proportional to 345,764.70, 518,637.94 and 146,031.46

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Solution

The fourth proportional to 345,764.70, 518,637.94 and 146,031.46 is: 219,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,764.70 : 518,637.94 = 146,031.46 : x
  2. Step 2: Convert to fraction form
    345,764.70/518,637.94 = 146,031.46/x
  3. Step 3: Cross multiply
    345,764.70x = 518,637.94 × 146,031.46
  4. Step 4: Simplify right side
    345,764.70x = 75,737,453,927.92
  5. Step 5: Solve for x
    x = 75,737,453,927.92/345,764.70
  6. Step 6: Final answer
    x = 219,043.34

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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.