Home / 310,583.23-428,602.31-195,935.90

Finding the Fourth Proportional to 310,583.23, 428,602.31 and 195,935.90

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Solution

The fourth proportional to 310,583.23, 428,602.31 and 195,935.90 is: 270,389.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,583.23 : 428,602.31 = 195,935.90 : x
  2. Step 2: Convert to fraction form
    310,583.23/428,602.31 = 195,935.90/x
  3. Step 3: Cross multiply
    310,583.23x = 428,602.31 × 195,935.90
  4. Step 4: Simplify right side
    310,583.23x = 83,978,581,131.40
  5. Step 5: Solve for x
    x = 83,978,581,131.40/310,583.23
  6. Step 6: Final answer
    x = 270,389.94

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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.