Home / 345,763.50-518,849.37-146,070.96

Finding the Fourth Proportional to 345,763.50, 518,849.37 and 146,070.96

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Solution

The fourth proportional to 345,763.50, 518,849.37 and 146,070.96 is: 219,192.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,763.50 : 518,849.37 = 146,070.96 : x
  2. Step 2: Convert to fraction form
    345,763.50/518,849.37 = 146,070.96/x
  3. Step 3: Cross multiply
    345,763.50x = 518,849.37 × 146,070.96
  4. Step 4: Simplify right side
    345,763.50x = 75,788,825,571.30
  5. Step 5: Solve for x
    x = 75,788,825,571.30/345,763.50
  6. Step 6: Final answer
    x = 219,192.67

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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.