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Finding the Fourth Proportional to 338,208.64, 506,872.04 and 188,442.88

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Solution

The fourth proportional to 338,208.64, 506,872.04 and 188,442.88 is: 282,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,208.64 : 506,872.04 = 188,442.88 : x
  2. Step 2: Convert to fraction form
    338,208.64/506,872.04 = 188,442.88/x
  3. Step 3: Cross multiply
    338,208.64x = 506,872.04 × 188,442.88
  4. Step 4: Simplify right side
    338,208.64x = 95,516,427,009.08
  5. Step 5: Solve for x
    x = 95,516,427,009.08/338,208.64
  6. Step 6: Final answer
    x = 282,418.65

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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.