Home / 348,939.84-523,565.30-127,272

Finding the Fourth Proportional to 348,939.84, 523,565.30 and 127,272

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Solution

The fourth proportional to 348,939.84, 523,565.30 and 127,272 is: 190,964.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,939.84 : 523,565.30 = 127,272 : x
  2. Step 2: Convert to fraction form
    348,939.84/523,565.30 = 127,272/x
  3. Step 3: Cross multiply
    348,939.84x = 523,565.30 × 127,272
  4. Step 4: Simplify right side
    348,939.84x = 66,635,202,861.60
  5. Step 5: Solve for x
    x = 66,635,202,861.60/348,939.84
  6. Step 6: Final answer
    x = 190,964.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.