Home / 208,299.21-287,455.71-116,414.46

Finding the Fourth Proportional to 208,299.21, 287,455.71 and 116,414.46

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Solution

The fourth proportional to 208,299.21, 287,455.71 and 116,414.46 is: 160,653.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,299.21 : 287,455.71 = 116,414.46 : x
  2. Step 2: Convert to fraction form
    208,299.21/287,455.71 = 116,414.46/x
  3. Step 3: Cross multiply
    208,299.21x = 287,455.71 × 116,414.46
  4. Step 4: Simplify right side
    208,299.21x = 33,464,001,253.57
  5. Step 5: Solve for x
    x = 33,464,001,253.57/208,299.21
  6. Step 6: Final answer
    x = 160,653.52

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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.