Home / 377,932.86-521,547.30-208,167

Finding the Fourth Proportional to 377,932.86, 521,547.30 and 208,167

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Solution

The fourth proportional to 377,932.86, 521,547.30 and 208,167 is: 287,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,932.86 : 521,547.30 = 208,167 : x
  2. Step 2: Convert to fraction form
    377,932.86/521,547.30 = 208,167/x
  3. Step 3: Cross multiply
    377,932.86x = 521,547.30 × 208,167
  4. Step 4: Simplify right side
    377,932.86x = 108,568,936,799.10
  5. Step 5: Solve for x
    x = 108,568,936,799.10/377,932.86
  6. Step 6: Final answer
    x = 287,270.43

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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.