Home / 208,578.40-287,836.48-117,952.18

Finding the Fourth Proportional to 208,578.40, 287,836.48 and 117,952.18

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Solution

The fourth proportional to 208,578.40, 287,836.48 and 117,952.18 is: 162,773.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,578.40 : 287,836.48 = 117,952.18 : x
  2. Step 2: Convert to fraction form
    208,578.40/287,836.48 = 117,952.18/x
  3. Step 3: Cross multiply
    208,578.40x = 287,836.48 × 117,952.18
  4. Step 4: Simplify right side
    208,578.40x = 33,950,940,299.53
  5. Step 5: Solve for x
    x = 33,950,940,299.53/208,578.40
  6. Step 6: Final answer
    x = 162,773.04

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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.