Home / 306,300.24-422,632.36-178,951.20

Finding the Fourth Proportional to 306,300.24, 422,632.36 and 178,951.20

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Solution

The fourth proportional to 306,300.24, 422,632.36 and 178,951.20 is: 246,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,300.24 : 422,632.36 = 178,951.20 : x
  2. Step 2: Convert to fraction form
    306,300.24/422,632.36 = 178,951.20/x
  3. Step 3: Cross multiply
    306,300.24x = 422,632.36 × 178,951.20
  4. Step 4: Simplify right side
    306,300.24x = 75,630,567,980.83
  5. Step 5: Solve for x
    x = 75,630,567,980.83/306,300.24
  6. Step 6: Final answer
    x = 246,916.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.