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Finding the Fourth Proportional to 351,274.98, 526,935.93 and 123,543.27

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Solution

The fourth proportional to 351,274.98, 526,935.93 and 123,543.27 is: 185,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,274.98 : 526,935.93 = 123,543.27 : x
  2. Step 2: Convert to fraction form
    351,274.98/526,935.93 = 123,543.27/x
  3. Step 3: Cross multiply
    351,274.98x = 526,935.93 × 123,543.27
  4. Step 4: Simplify right side
    351,274.98x = 65,099,387,872.69
  5. Step 5: Solve for x
    x = 65,099,387,872.69/351,274.98
  6. Step 6: Final answer
    x = 185,323.16

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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.