Home / 317,749.64-476,624.24-81,092.40

Finding the Fourth Proportional to 317,749.64, 476,624.24 and 81,092.40

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Solution

The fourth proportional to 317,749.64, 476,624.24 and 81,092.40 is: 121,638.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,749.64 : 476,624.24 = 81,092.40 : x
  2. Step 2: Convert to fraction form
    317,749.64/476,624.24 = 81,092.40/x
  3. Step 3: Cross multiply
    317,749.64x = 476,624.24 × 81,092.40
  4. Step 4: Simplify right side
    317,749.64x = 38,650,603,519.78
  5. Step 5: Solve for x
    x = 38,650,603,519.78/317,749.64
  6. Step 6: Final answer
    x = 121,638.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.