Home / 302,977.35-417,954.87-231,232.86

Finding the Fourth Proportional to 302,977.35, 417,954.87 and 231,232.86

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Solution

The fourth proportional to 302,977.35, 417,954.87 and 231,232.86 is: 318,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,977.35 : 417,954.87 = 231,232.86 : x
  2. Step 2: Convert to fraction form
    302,977.35/417,954.87 = 231,232.86/x
  3. Step 3: Cross multiply
    302,977.35x = 417,954.87 × 231,232.86
  4. Step 4: Simplify right side
    302,977.35x = 96,644,899,941.03
  5. Step 5: Solve for x
    x = 96,644,899,941.03/302,977.35
  6. Step 6: Final answer
    x = 318,983.91

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1.5x scale

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.