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Finding the Fourth Proportional to 540,100.31, 810,433.35 and 350,516.03

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Solution

The fourth proportional to 540,100.31, 810,433.35 and 350,516.03 is: 525,957.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,100.31 : 810,433.35 = 350,516.03 : x
  2. Step 2: Convert to fraction form
    540,100.31/810,433.35 = 350,516.03/x
  3. Step 3: Cross multiply
    540,100.31x = 810,433.35 × 350,516.03
  4. Step 4: Simplify right side
    540,100.31x = 284,069,876,369.43
  5. Step 5: Solve for x
    x = 284,069,876,369.43/540,100.31
  6. Step 6: Final answer
    x = 525,957.63

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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.