Home / 310,824.68-428,937.40-174,858.72

Finding the Fourth Proportional to 310,824.68, 428,937.40 and 174,858.72

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Solution

The fourth proportional to 310,824.68, 428,937.40 and 174,858.72 is: 241,304.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,824.68 : 428,937.40 = 174,858.72 : x
  2. Step 2: Convert to fraction form
    310,824.68/428,937.40 = 174,858.72/x
  3. Step 3: Cross multiply
    310,824.68x = 428,937.40 × 174,858.72
  4. Step 4: Simplify right side
    310,824.68x = 75,003,444,724.13
  5. Step 5: Solve for x
    x = 75,003,444,724.13/310,824.68
  6. Step 6: Final answer
    x = 241,304.66

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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.