Home / 345,963.24-518,966.73-146,246.40

Finding the Fourth Proportional to 345,963.24, 518,966.73 and 146,246.40

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Solution

The fourth proportional to 345,963.24, 518,966.73 and 146,246.40 is: 219,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,963.24 : 518,966.73 = 146,246.40 : x
  2. Step 2: Convert to fraction form
    345,963.24/518,966.73 = 146,246.40/x
  3. Step 3: Cross multiply
    345,963.24x = 518,966.73 × 146,246.40
  4. Step 4: Simplify right side
    345,963.24x = 75,897,015,982.27
  5. Step 5: Solve for x
    x = 75,897,015,982.27/345,963.24
  6. Step 6: Final answer
    x = 219,378.84

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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.