Home / 319,784.39-479,927.18-223,092.80

Finding the Fourth Proportional to 319,784.39, 479,927.18 and 223,092.80

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Solution

The fourth proportional to 319,784.39, 479,927.18 and 223,092.80 is: 334,814.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,784.39 : 479,927.18 = 223,092.80 : x
  2. Step 2: Convert to fraction form
    319,784.39/479,927.18 = 223,092.80/x
  3. Step 3: Cross multiply
    319,784.39x = 479,927.18 × 223,092.80
  4. Step 4: Simplify right side
    319,784.39x = 107,068,298,382.30
  5. Step 5: Solve for x
    x = 107,068,298,382.30/319,784.39
  6. Step 6: Final answer
    x = 334,814.02

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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.