Home / 303,289.07-454,917.20-92,927.61

Finding the Fourth Proportional to 303,289.07, 454,917.20 and 92,927.61

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Solution

The fourth proportional to 303,289.07, 454,917.20 and 92,927.61 is: 139,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,289.07 : 454,917.20 = 92,927.61 : x
  2. Step 2: Convert to fraction form
    303,289.07/454,917.20 = 92,927.61/x
  3. Step 3: Cross multiply
    303,289.07x = 454,917.20 × 92,927.61
  4. Step 4: Simplify right side
    303,289.07x = 42,274,367,679.25
  5. Step 5: Solve for x
    x = 42,274,367,679.25/303,289.07
  6. Step 6: Final answer
    x = 139,386.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.