Home / 377,932.77-521,547.14-208,166.90

Finding the Fourth Proportional to 377,932.77, 521,547.14 and 208,166.90

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Solution

The fourth proportional to 377,932.77, 521,547.14 and 208,166.90 is: 287,270.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,932.77 : 521,547.14 = 208,166.90 : x
  2. Step 2: Convert to fraction form
    377,932.77/521,547.14 = 208,166.90/x
  3. Step 3: Cross multiply
    377,932.77x = 521,547.14 × 208,166.90
  4. Step 4: Simplify right side
    377,932.77x = 108,568,849,250.35
  5. Step 5: Solve for x
    x = 108,568,849,250.35/377,932.77
  6. Step 6: Final answer
    x = 287,270.27

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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.