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Finding the Fourth Proportional to 310,564.70, 428,576.69 and 174,599.25

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Solution

The fourth proportional to 310,564.70, 428,576.69 and 174,599.25 is: 240,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,564.70 : 428,576.69 = 174,599.25 : x
  2. Step 2: Convert to fraction form
    310,564.70/428,576.69 = 174,599.25/x
  3. Step 3: Cross multiply
    310,564.70x = 428,576.69 × 174,599.25
  4. Step 4: Simplify right side
    310,564.70x = 74,829,167,768.49
  5. Step 5: Solve for x
    x = 74,829,167,768.49/310,564.70
  6. Step 6: Final answer
    x = 240,945.51

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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.