Home / 347,404.57-479,037.60-226,321.31

Finding the Fourth Proportional to 347,404.57, 479,037.60 and 226,321.31

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Solution

The fourth proportional to 347,404.57, 479,037.60 and 226,321.31 is: 312,075.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,404.57 : 479,037.60 = 226,321.31 : x
  2. Step 2: Convert to fraction form
    347,404.57/479,037.60 = 226,321.31/x
  3. Step 3: Cross multiply
    347,404.57x = 479,037.60 × 226,321.31
  4. Step 4: Simplify right side
    347,404.57x = 108,416,417,171.26
  5. Step 5: Solve for x
    x = 108,416,417,171.26/347,404.57
  6. Step 6: Final answer
    x = 312,075.39

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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.