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Finding the Fourth Proportional to 345,850.59, 518,829.53 and 146,171.82

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Solution

The fourth proportional to 345,850.59, 518,829.53 and 146,171.82 is: 219,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,850.59 : 518,829.53 = 146,171.82 : x
  2. Step 2: Convert to fraction form
    345,850.59/518,829.53 = 146,171.82/x
  3. Step 3: Cross multiply
    345,850.59x = 518,829.53 × 146,171.82
  4. Step 4: Simplify right side
    345,850.59x = 75,838,256,669.84
  5. Step 5: Solve for x
    x = 75,838,256,669.84/345,850.59
  6. Step 6: Final answer
    x = 219,280.40

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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.