Home / 208,823.77-288,135.11-127,097.28

Finding the Fourth Proportional to 208,823.77, 288,135.11 and 127,097.28

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Solution

The fourth proportional to 208,823.77, 288,135.11 and 127,097.28 is: 175,368.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,823.77 : 288,135.11 = 127,097.28 : x
  2. Step 2: Convert to fraction form
    208,823.77/288,135.11 = 127,097.28/x
  3. Step 3: Cross multiply
    208,823.77x = 288,135.11 × 127,097.28
  4. Step 4: Simplify right side
    208,823.77x = 36,621,188,753.50
  5. Step 5: Solve for x
    x = 36,621,188,753.50/208,823.77
  6. Step 6: Final answer
    x = 175,368.87

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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.