Home / 208,260.41-287,404.64-127,732.34

Finding the Fourth Proportional to 208,260.41, 287,404.64 and 127,732.34

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Solution

The fourth proportional to 208,260.41, 287,404.64 and 127,732.34 is: 176,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,260.41 : 287,404.64 = 127,732.34 : x
  2. Step 2: Convert to fraction form
    208,260.41/287,404.64 = 127,732.34/x
  3. Step 3: Cross multiply
    208,260.41x = 287,404.64 × 127,732.34
  4. Step 4: Simplify right side
    208,260.41x = 36,710,865,118.37
  5. Step 5: Solve for x
    x = 36,710,865,118.37/208,260.41
  6. Step 6: Final answer
    x = 176,273.85

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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.