Home / 345,964.77-518,984.08-146,305.34

Finding the Fourth Proportional to 345,964.77, 518,984.08 and 146,305.34

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Solution

The fourth proportional to 345,964.77, 518,984.08 and 146,305.34 is: 219,473.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,964.77 : 518,984.08 = 146,305.34 : x
  2. Step 2: Convert to fraction form
    345,964.77/518,984.08 = 146,305.34/x
  3. Step 3: Cross multiply
    345,964.77x = 518,984.08 × 146,305.34
  4. Step 4: Simplify right side
    345,964.77x = 75,930,141,264.49
  5. Step 5: Solve for x
    x = 75,930,141,264.49/345,964.77
  6. Step 6: Final answer
    x = 219,473.62

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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.