Home / 208,270.66-287,414.89-112,777.35

Finding the Fourth Proportional to 208,270.66, 287,414.89 and 112,777.35

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Solution

The fourth proportional to 208,270.66, 287,414.89 and 112,777.35 is: 155,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,270.66 : 287,414.89 = 112,777.35 : x
  2. Step 2: Convert to fraction form
    208,270.66/287,414.89 = 112,777.35/x
  3. Step 3: Cross multiply
    208,270.66x = 287,414.89 × 112,777.35
  4. Step 4: Simplify right side
    208,270.66x = 32,413,889,644.74
  5. Step 5: Solve for x
    x = 32,413,889,644.74/208,270.66
  6. Step 6: Final answer
    x = 155,633.49

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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.