Home / 385,244.47-531,652.98-213,159.43

Finding the Fourth Proportional to 385,244.47, 531,652.98 and 213,159.43

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Solution

The fourth proportional to 385,244.47, 531,652.98 and 213,159.43 is: 294,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,244.47 : 531,652.98 = 213,159.43 : x
  2. Step 2: Convert to fraction form
    385,244.47/531,652.98 = 213,159.43/x
  3. Step 3: Cross multiply
    385,244.47x = 531,652.98 × 213,159.43
  4. Step 4: Simplify right side
    385,244.47x = 113,326,846,174.60
  5. Step 5: Solve for x
    x = 113,326,846,174.60/385,244.47
  6. Step 6: Final answer
    x = 294,168.65

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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.