Home / 302,190.53-417,023.75-166,238.39

Finding the Fourth Proportional to 302,190.53, 417,023.75 and 166,238.39

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Solution

The fourth proportional to 302,190.53, 417,023.75 and 166,238.39 is: 229,409.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,190.53 : 417,023.75 = 166,238.39 : x
  2. Step 2: Convert to fraction form
    302,190.53/417,023.75 = 166,238.39/x
  3. Step 3: Cross multiply
    302,190.53x = 417,023.75 × 166,238.39
  4. Step 4: Simplify right side
    302,190.53x = 69,325,358,249.92
  5. Step 5: Solve for x
    x = 69,325,358,249.92/302,190.53
  6. Step 6: Final answer
    x = 229,409.44

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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.