Home / 391,985.55-541,171.94-246,915.69

Finding the Fourth Proportional to 391,985.55, 541,171.94 and 246,915.69

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Solution

The fourth proportional to 391,985.55, 541,171.94 and 246,915.69 is: 340,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,985.55 : 541,171.94 = 246,915.69 : x
  2. Step 2: Convert to fraction form
    391,985.55/541,171.94 = 246,915.69/x
  3. Step 3: Cross multiply
    391,985.55x = 541,171.94 × 246,915.69
  4. Step 4: Simplify right side
    391,985.55x = 133,623,842,973.74
  5. Step 5: Solve for x
    x = 133,623,842,973.74/391,985.55
  6. Step 6: Final answer
    x = 340,889.72

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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.