Home / 310,824.88-428,934.24-174,858.40

Finding the Fourth Proportional to 310,824.88, 428,934.24 and 174,858.40

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Solution

The fourth proportional to 310,824.88, 428,934.24 and 174,858.40 is: 241,302.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,824.88 : 428,934.24 = 174,858.40 : x
  2. Step 2: Convert to fraction form
    310,824.88/428,934.24 = 174,858.40/x
  3. Step 3: Cross multiply
    310,824.88x = 428,934.24 × 174,858.40
  4. Step 4: Simplify right side
    310,824.88x = 75,002,754,911.62
  5. Step 5: Solve for x
    x = 75,002,754,911.62/310,824.88
  6. Step 6: Final answer
    x = 241,302.29

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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.