Home / 345,849.85-518,935.15-146,216.84

Finding the Fourth Proportional to 345,849.85, 518,935.15 and 146,216.84

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Solution

The fourth proportional to 345,849.85, 518,935.15 and 146,216.84 is: 219,393.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,849.85 : 518,935.15 = 146,216.84 : x
  2. Step 2: Convert to fraction form
    345,849.85/518,935.15 = 146,216.84/x
  3. Step 3: Cross multiply
    345,849.85x = 518,935.15 × 146,216.84
  4. Step 4: Simplify right side
    345,849.85x = 75,877,057,797.93
  5. Step 5: Solve for x
    x = 75,877,057,797.93/345,849.85
  6. Step 6: Final answer
    x = 219,393.07

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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.