Home / 343,516.20-513,816.30-308,232.60

Finding the Fourth Proportional to 343,516.20, 513,816.30 and 308,232.60

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Solution

The fourth proportional to 343,516.20, 513,816.30 and 308,232.60 is: 461,040.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,516.20 : 513,816.30 = 308,232.60 : x
  2. Step 2: Convert to fraction form
    343,516.20/513,816.30 = 308,232.60/x
  3. Step 3: Cross multiply
    343,516.20x = 513,816.30 × 308,232.60
  4. Step 4: Simplify right side
    343,516.20x = 158,374,934,071.38
  5. Step 5: Solve for x
    x = 158,374,934,071.38/343,516.20
  6. Step 6: Final answer
    x = 461,040.66

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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.