Home / 343,941.18-516,108.60-133,551.78

Finding the Fourth Proportional to 343,941.18, 516,108.60 and 133,551.78

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Solution

The fourth proportional to 343,941.18, 516,108.60 and 133,551.78 is: 200,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,941.18 : 516,108.60 = 133,551.78 : x
  2. Step 2: Convert to fraction form
    343,941.18/516,108.60 = 133,551.78/x
  3. Step 3: Cross multiply
    343,941.18x = 516,108.60 × 133,551.78
  4. Step 4: Simplify right side
    343,941.18x = 68,927,222,203.31
  5. Step 5: Solve for x
    x = 68,927,222,203.31/343,941.18
  6. Step 6: Final answer
    x = 200,404.10

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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.