Home / 208,389.38-312,584.08-50,616.77

Finding the Fourth Proportional to 208,389.38, 312,584.08 and 50,616.77

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Solution

The fourth proportional to 208,389.38, 312,584.08 and 50,616.77 is: 75,925.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,389.38 : 312,584.08 = 50,616.77 : x
  2. Step 2: Convert to fraction form
    208,389.38/312,584.08 = 50,616.77/x
  3. Step 3: Cross multiply
    208,389.38x = 312,584.08 × 50,616.77
  4. Step 4: Simplify right side
    208,389.38x = 15,821,997,137.94
  5. Step 5: Solve for x
    x = 15,821,997,137.94/208,389.38
  6. Step 6: Final answer
    x = 75,925.16

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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.