Home / 340,219.55-469,502.43-211,110

Finding the Fourth Proportional to 340,219.55, 469,502.43 and 211,110

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Solution

The fourth proportional to 340,219.55, 469,502.43 and 211,110 is: 291,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,219.55 : 469,502.43 = 211,110 : x
  2. Step 2: Convert to fraction form
    340,219.55/469,502.43 = 211,110/x
  3. Step 3: Cross multiply
    340,219.55x = 469,502.43 × 211,110
  4. Step 4: Simplify right side
    340,219.55x = 99,116,657,997.30
  5. Step 5: Solve for x
    x = 99,116,657,997.30/340,219.55
  6. Step 6: Final answer
    x = 291,331.46

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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.