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Finding the Fourth Proportional to 264,406.01, 395,853.28 and 247,646.30

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Solution

The fourth proportional to 264,406.01, 395,853.28 and 247,646.30 is: 370,761.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,406.01 : 395,853.28 = 247,646.30 : x
  2. Step 2: Convert to fraction form
    264,406.01/395,853.28 = 247,646.30/x
  3. Step 3: Cross multiply
    264,406.01x = 395,853.28 × 247,646.30
  4. Step 4: Simplify right side
    264,406.01x = 98,031,597,536.48
  5. Step 5: Solve for x
    x = 98,031,597,536.48/264,406.01
  6. Step 6: Final answer
    x = 370,761.62

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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.