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Finding the Fourth Proportional to 365,059.98, 547,605 and 125,338.50

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Solution

The fourth proportional to 365,059.98, 547,605 and 125,338.50 is: 188,012.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,059.98 : 547,605 = 125,338.50 : x
  2. Step 2: Convert to fraction form
    365,059.98/547,605 = 125,338.50/x
  3. Step 3: Cross multiply
    365,059.98x = 547,605 × 125,338.50
  4. Step 4: Simplify right side
    365,059.98x = 68,635,989,292.50
  5. Step 5: Solve for x
    x = 68,635,989,292.50/365,059.98
  6. Step 6: Final answer
    x = 188,012.91

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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.