Home / 301,284.04-415,771.68-165,318.76

Finding the Fourth Proportional to 301,284.04, 415,771.68 and 165,318.76

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Solution

The fourth proportional to 301,284.04, 415,771.68 and 165,318.76 is: 228,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,284.04 : 415,771.68 = 165,318.76 : x
  2. Step 2: Convert to fraction form
    301,284.04/415,771.68 = 165,318.76/x
  3. Step 3: Cross multiply
    301,284.04x = 415,771.68 × 165,318.76
  4. Step 4: Simplify right side
    301,284.04x = 68,734,858,580.72
  5. Step 5: Solve for x
    x = 68,734,858,580.72/301,284.04
  6. Step 6: Final answer
    x = 228,139.73

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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.