Home / 331,346.90-457,271.63-188,120.27

Finding the Fourth Proportional to 331,346.90, 457,271.63 and 188,120.27

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Solution

The fourth proportional to 331,346.90, 457,271.63 and 188,120.27 is: 259,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,346.90 : 457,271.63 = 188,120.27 : x
  2. Step 2: Convert to fraction form
    331,346.90/457,271.63 = 188,120.27/x
  3. Step 3: Cross multiply
    331,346.90x = 457,271.63 × 188,120.27
  4. Step 4: Simplify right side
    331,346.90x = 86,022,063,406.97
  5. Step 5: Solve for x
    x = 86,022,063,406.97/331,346.90
  6. Step 6: Final answer
    x = 259,613.30

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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.