Home / 400,684.03-552,938.84-230,933.95

Finding the Fourth Proportional to 400,684.03, 552,938.84 and 230,933.95

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Solution

The fourth proportional to 400,684.03, 552,938.84 and 230,933.95 is: 318,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,684.03 : 552,938.84 = 230,933.95 : x
  2. Step 2: Convert to fraction form
    400,684.03/552,938.84 = 230,933.95/x
  3. Step 3: Cross multiply
    400,684.03x = 552,938.84 × 230,933.95
  4. Step 4: Simplify right side
    400,684.03x = 127,692,349,274.95
  5. Step 5: Solve for x
    x = 127,692,349,274.95/400,684.03
  6. Step 6: Final answer
    x = 318,685.90

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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.