Home / 377,952.12-521,575.34-208,185.84

Finding the Fourth Proportional to 377,952.12, 521,575.34 and 208,185.84

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Solution

The fourth proportional to 377,952.12, 521,575.34 and 208,185.84 is: 287,297.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,952.12 : 521,575.34 = 208,185.84 : x
  2. Step 2: Convert to fraction form
    377,952.12/521,575.34 = 208,185.84/x
  3. Step 3: Cross multiply
    377,952.12x = 521,575.34 × 208,185.84
  4. Step 4: Simplify right side
    377,952.12x = 108,584,599,240.26
  5. Step 5: Solve for x
    x = 108,584,599,240.26/377,952.12
  6. Step 6: Final answer
    x = 287,297.24

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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.