Home / 345,577.10-518,365.65-146,122.70

Finding the Fourth Proportional to 345,577.10, 518,365.65 and 146,122.70

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Solution

The fourth proportional to 345,577.10, 518,365.65 and 146,122.70 is: 219,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,577.10 : 518,365.65 = 146,122.70 : x
  2. Step 2: Convert to fraction form
    345,577.10/518,365.65 = 146,122.70/x
  3. Step 3: Cross multiply
    345,577.10x = 518,365.65 × 146,122.70
  4. Step 4: Simplify right side
    345,577.10x = 75,744,988,365.26
  5. Step 5: Solve for x
    x = 75,744,988,365.26/345,577.10
  6. Step 6: Final answer
    x = 219,184.05

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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.