Home / 421,926.40-582,253.50-228,329.62

Finding the Fourth Proportional to 421,926.40, 582,253.50 and 228,329.62

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Solution

The fourth proportional to 421,926.40, 582,253.50 and 228,329.62 is: 315,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,926.40 : 582,253.50 = 228,329.62 : x
  2. Step 2: Convert to fraction form
    421,926.40/582,253.50 = 228,329.62/x
  3. Step 3: Cross multiply
    421,926.40x = 582,253.50 × 228,329.62
  4. Step 4: Simplify right side
    421,926.40x = 132,945,720,398.67
  5. Step 5: Solve for x
    x = 132,945,720,398.67/421,926.40
  6. Step 6: Final answer
    x = 315,092.21

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1.5x scale

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.