Home / 385,232.82-531,608.44-213,151.11

Finding the Fourth Proportional to 385,232.82, 531,608.44 and 213,151.11

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Solution

The fourth proportional to 385,232.82, 531,608.44 and 213,151.11 is: 294,141.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,232.82 : 531,608.44 = 213,151.11 : x
  2. Step 2: Convert to fraction form
    385,232.82/531,608.44 = 213,151.11/x
  3. Step 3: Cross multiply
    385,232.82x = 531,608.44 × 213,151.11
  4. Step 4: Simplify right side
    385,232.82x = 113,312,931,655.76
  5. Step 5: Solve for x
    x = 113,312,931,655.76/385,232.82
  6. Step 6: Final answer
    x = 294,141.43

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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.