Home / 214,926.60-322,389.90-205,825.80

Finding the Fourth Proportional to 214,926.60, 322,389.90 and 205,825.80

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Solution

The fourth proportional to 214,926.60, 322,389.90 and 205,825.80 is: 308,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,926.60 : 322,389.90 = 205,825.80 : x
  2. Step 2: Convert to fraction form
    214,926.60/322,389.90 = 205,825.80/x
  3. Step 3: Cross multiply
    214,926.60x = 322,389.90 × 205,825.80
  4. Step 4: Simplify right side
    214,926.60x = 66,356,159,079.42
  5. Step 5: Solve for x
    x = 66,356,159,079.42/214,926.60
  6. Step 6: Final answer
    x = 308,738.70

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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.