Home / 208,972.29-288,385.19-118,325.86

Finding the Fourth Proportional to 208,972.29, 288,385.19 and 118,325.86

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Solution

The fourth proportional to 208,972.29, 288,385.19 and 118,325.86 is: 163,291.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,972.29 : 288,385.19 = 118,325.86 : x
  2. Step 2: Convert to fraction form
    208,972.29/288,385.19 = 118,325.86/x
  3. Step 3: Cross multiply
    208,972.29x = 288,385.19 × 118,325.86
  4. Step 4: Simplify right side
    208,972.29x = 34,123,425,618.01
  5. Step 5: Solve for x
    x = 34,123,425,618.01/208,972.29
  6. Step 6: Final answer
    x = 163,291.63

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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.