Home / 208,371.27-287,552.49-112,878.35

Finding the Fourth Proportional to 208,371.27, 287,552.49 and 112,878.35

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Solution

The fourth proportional to 208,371.27, 287,552.49 and 112,878.35 is: 155,772.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,371.27 : 287,552.49 = 112,878.35 : x
  2. Step 2: Convert to fraction form
    208,371.27/287,552.49 = 112,878.35/x
  3. Step 3: Cross multiply
    208,371.27x = 287,552.49 × 112,878.35
  4. Step 4: Simplify right side
    208,371.27x = 32,458,449,171.83
  5. Step 5: Solve for x
    x = 32,458,449,171.83/208,371.27
  6. Step 6: Final answer
    x = 155,772.19

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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.