Home / 385,334.21-531,749.21-213,241.82

Finding the Fourth Proportional to 385,334.21, 531,749.21 and 213,241.82

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Solution

The fourth proportional to 385,334.21, 531,749.21 and 213,241.82 is: 294,267.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,334.21 : 531,749.21 = 213,241.82 : x
  2. Step 2: Convert to fraction form
    385,334.21/531,749.21 = 213,241.82/x
  3. Step 3: Cross multiply
    385,334.21x = 531,749.21 × 213,241.82
  4. Step 4: Simplify right side
    385,334.21x = 113,391,165,599.01
  5. Step 5: Solve for x
    x = 113,391,165,599.01/385,334.21
  6. Step 6: Final answer
    x = 294,267.06

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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.