Home / 374,988.25-517,471.01-213,895.45

Finding the Fourth Proportional to 374,988.25, 517,471.01 and 213,895.45

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Solution

The fourth proportional to 374,988.25, 517,471.01 and 213,895.45 is: 295,168.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,988.25 : 517,471.01 = 213,895.45 : x
  2. Step 2: Convert to fraction form
    374,988.25/517,471.01 = 213,895.45/x
  3. Step 3: Cross multiply
    374,988.25x = 517,471.01 × 213,895.45
  4. Step 4: Simplify right side
    374,988.25x = 110,684,691,958.55
  5. Step 5: Solve for x
    x = 110,684,691,958.55/374,988.25
  6. Step 6: Final answer
    x = 295,168.43

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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.