Home / 445,933.67-615,385.31-241,979.40

Finding the Fourth Proportional to 445,933.67, 615,385.31 and 241,979.40

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Solution

The fourth proportional to 445,933.67, 615,385.31 and 241,979.40 is: 333,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,933.67 : 615,385.31 = 241,979.40 : x
  2. Step 2: Convert to fraction form
    445,933.67/615,385.31 = 241,979.40/x
  3. Step 3: Cross multiply
    445,933.67x = 615,385.31 × 241,979.40
  4. Step 4: Simplify right side
    445,933.67x = 148,910,566,872.72
  5. Step 5: Solve for x
    x = 148,910,566,872.72/445,933.67
  6. Step 6: Final answer
    x = 333,929.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.