Home / 208,557.45-312,832.94-50,784.57

Finding the Fourth Proportional to 208,557.45, 312,832.94 and 50,784.57

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Solution

The fourth proportional to 208,557.45, 312,832.94 and 50,784.57 is: 76,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,557.45 : 312,832.94 = 50,784.57 : x
  2. Step 2: Convert to fraction form
    208,557.45/312,832.94 = 50,784.57/x
  3. Step 3: Cross multiply
    208,557.45x = 312,832.94 × 50,784.57
  4. Step 4: Simplify right side
    208,557.45x = 15,887,086,085.81
  5. Step 5: Solve for x
    x = 15,887,086,085.81/208,557.45
  6. Step 6: Final answer
    x = 76,176.07

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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.