Home / 205,183.70-307,075.35-171,941.30

Finding the Fourth Proportional to 205,183.70, 307,075.35 and 171,941.30

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Solution

The fourth proportional to 205,183.70, 307,075.35 and 171,941.30 is: 257,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,183.70 : 307,075.35 = 171,941.30 : x
  2. Step 2: Convert to fraction form
    205,183.70/307,075.35 = 171,941.30/x
  3. Step 3: Cross multiply
    205,183.70x = 307,075.35 × 171,941.30
  4. Step 4: Simplify right side
    205,183.70x = 52,798,934,876.96
  5. Step 5: Solve for x
    x = 52,798,934,876.96/205,183.70
  6. Step 6: Final answer
    x = 257,325.19

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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.