Home / 347,403.57-479,036.22-226,320.31

Finding the Fourth Proportional to 347,403.57, 479,036.22 and 226,320.31

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Solution

The fourth proportional to 347,403.57, 479,036.22 and 226,320.31 is: 312,074.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,403.57 : 479,036.22 = 226,320.31 : x
  2. Step 2: Convert to fraction form
    347,403.57/479,036.22 = 226,320.31/x
  3. Step 3: Cross multiply
    347,403.57x = 479,036.22 × 226,320.31
  4. Step 4: Simplify right side
    347,403.57x = 108,415,625,811.63
  5. Step 5: Solve for x
    x = 108,415,625,811.63/347,403.57
  6. Step 6: Final answer
    x = 312,074.01

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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.