Home / 386,473.10-579,968.85-228,533.90

Finding the Fourth Proportional to 386,473.10, 579,968.85 and 228,533.90

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Solution

The fourth proportional to 386,473.10, 579,968.85 and 228,533.90 is: 342,954.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,473.10 : 579,968.85 = 228,533.90 : x
  2. Step 2: Convert to fraction form
    386,473.10/579,968.85 = 228,533.90/x
  3. Step 3: Cross multiply
    386,473.10x = 579,968.85 × 228,533.90
  4. Step 4: Simplify right side
    386,473.10x = 132,542,543,169.02
  5. Step 5: Solve for x
    x = 132,542,543,169.02/386,473.10
  6. Step 6: Final answer
    x = 342,954.12

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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.