Home / 301,091.20-415,560-173,749.12

Finding the Fourth Proportional to 301,091.20, 415,560 and 173,749.12

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Solution

The fourth proportional to 301,091.20, 415,560 and 173,749.12 is: 239,805.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,091.20 : 415,560 = 173,749.12 : x
  2. Step 2: Convert to fraction form
    301,091.20/415,560 = 173,749.12/x
  3. Step 3: Cross multiply
    301,091.20x = 415,560 × 173,749.12
  4. Step 4: Simplify right side
    301,091.20x = 72,203,184,307.20
  5. Step 5: Solve for x
    x = 72,203,184,307.20/301,091.20
  6. Step 6: Final answer
    x = 239,805.03

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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.