Home / 340,190.76-469,462.82-211,081.22

Finding the Fourth Proportional to 340,190.76, 469,462.82 and 211,081.22

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Solution

The fourth proportional to 340,190.76, 469,462.82 and 211,081.22 is: 291,291.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,190.76 : 469,462.82 = 211,081.22 : x
  2. Step 2: Convert to fraction form
    340,190.76/469,462.82 = 211,081.22/x
  3. Step 3: Cross multiply
    340,190.76x = 469,462.82 × 211,081.22
  4. Step 4: Simplify right side
    340,190.76x = 99,094,784,790.24
  5. Step 5: Solve for x
    x = 99,094,784,790.24/340,190.76
  6. Step 6: Final answer
    x = 291,291.82

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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.