Home / 310,837.12-428,954.56-174,871.16

Finding the Fourth Proportional to 310,837.12, 428,954.56 and 174,871.16

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Solution

The fourth proportional to 310,837.12, 428,954.56 and 174,871.16 is: 241,321.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,837.12 : 428,954.56 = 174,871.16 : x
  2. Step 2: Convert to fraction form
    310,837.12/428,954.56 = 174,871.16/x
  3. Step 3: Cross multiply
    310,837.12x = 428,954.56 × 174,871.16
  4. Step 4: Simplify right side
    310,837.12x = 75,011,781,494.49
  5. Step 5: Solve for x
    x = 75,011,781,494.49/310,837.12
  6. Step 6: Final answer
    x = 241,321.83

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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.