Home / 307,074.85-423,758.96-171,114.53

Finding the Fourth Proportional to 307,074.85, 423,758.96 and 171,114.53

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Solution

The fourth proportional to 307,074.85, 423,758.96 and 171,114.53 is: 236,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,074.85 : 423,758.96 = 171,114.53 : x
  2. Step 2: Convert to fraction form
    307,074.85/423,758.96 = 171,114.53/x
  3. Step 3: Cross multiply
    307,074.85x = 423,758.96 × 171,114.53
  4. Step 4: Simplify right side
    307,074.85x = 72,511,312,941.00
  5. Step 5: Solve for x
    x = 72,511,312,941.00/307,074.85
  6. Step 6: Final answer
    x = 236,135.63

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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.