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Finding the Fourth Proportional to 635,281.96, 952,668.60 and 280,043.52

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Solution

The fourth proportional to 635,281.96, 952,668.60 and 280,043.52 is: 419,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,281.96 : 952,668.60 = 280,043.52 : x
  2. Step 2: Convert to fraction form
    635,281.96/952,668.60 = 280,043.52/x
  3. Step 3: Cross multiply
    635,281.96x = 952,668.60 × 280,043.52
  4. Step 4: Simplify right side
    635,281.96x = 266,788,668,137.47
  5. Step 5: Solve for x
    x = 266,788,668,137.47/635,281.96
  6. Step 6: Final answer
    x = 419,953.16

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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.