Home / 319,783.39-479,925.68-223,091.80

Finding the Fourth Proportional to 319,783.39, 479,925.68 and 223,091.80

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Solution

The fourth proportional to 319,783.39, 479,925.68 and 223,091.80 is: 334,812.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,783.39 : 479,925.68 = 223,091.80 : x
  2. Step 2: Convert to fraction form
    319,783.39/479,925.68 = 223,091.80/x
  3. Step 3: Cross multiply
    319,783.39x = 479,925.68 × 223,091.80
  4. Step 4: Simplify right side
    319,783.39x = 107,067,481,502.15
  5. Step 5: Solve for x
    x = 107,067,481,502.15/319,783.39
  6. Step 6: Final answer
    x = 334,812.52

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1.5x scale

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.