Home / 208,929.78-288,325.17-113,437.26

Finding the Fourth Proportional to 208,929.78, 288,325.17 and 113,437.26

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Solution

The fourth proportional to 208,929.78, 288,325.17 and 113,437.26 is: 156,544.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,929.78 : 288,325.17 = 113,437.26 : x
  2. Step 2: Convert to fraction form
    208,929.78/288,325.17 = 113,437.26/x
  3. Step 3: Cross multiply
    208,929.78x = 288,325.17 × 113,437.26
  4. Step 4: Simplify right side
    208,929.78x = 32,706,817,273.83
  5. Step 5: Solve for x
    x = 32,706,817,273.83/208,929.78
  6. Step 6: Final answer
    x = 156,544.54

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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.