Home / 538,979.02-808,122.92-223,653.58

Finding the Fourth Proportional to 538,979.02, 808,122.92 and 223,653.58

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Solution

The fourth proportional to 538,979.02, 808,122.92 and 223,653.58 is: 335,336.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,979.02 : 808,122.92 = 223,653.58 : x
  2. Step 2: Convert to fraction form
    538,979.02/808,122.92 = 223,653.58/x
  3. Step 3: Cross multiply
    538,979.02x = 808,122.92 × 223,653.58
  4. Step 4: Simplify right side
    538,979.02x = 180,739,584,138.05
  5. Step 5: Solve for x
    x = 180,739,584,138.05/538,979.02
  6. Step 6: Final answer
    x = 335,336.96

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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.