Home / 211,200.72-291,457.24-114,404.80

Finding the Fourth Proportional to 211,200.72, 291,457.24 and 114,404.80

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Solution

The fourth proportional to 211,200.72, 291,457.24 and 114,404.80 is: 157,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,200.72 : 291,457.24 = 114,404.80 : x
  2. Step 2: Convert to fraction form
    211,200.72/291,457.24 = 114,404.80/x
  3. Step 3: Cross multiply
    211,200.72x = 291,457.24 × 114,404.80
  4. Step 4: Simplify right side
    211,200.72x = 33,344,107,250.75
  5. Step 5: Solve for x
    x = 33,344,107,250.75/211,200.72
  6. Step 6: Final answer
    x = 157,878.76

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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.