Home / 331,899.79-458,094.24-211,017.47

Finding the Fourth Proportional to 331,899.79, 458,094.24 and 211,017.47

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Solution

The fourth proportional to 331,899.79, 458,094.24 and 211,017.47 is: 291,250.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,899.79 : 458,094.24 = 211,017.47 : x
  2. Step 2: Convert to fraction form
    331,899.79/458,094.24 = 211,017.47/x
  3. Step 3: Cross multiply
    331,899.79x = 458,094.24 × 211,017.47
  4. Step 4: Simplify right side
    331,899.79x = 96,665,885,255.90
  5. Step 5: Solve for x
    x = 96,665,885,255.90/331,899.79
  6. Step 6: Final answer
    x = 291,250.22

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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.