Home / 306,943.92-423,379.80-192,023.16

Finding the Fourth Proportional to 306,943.92, 423,379.80 and 192,023.16

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Solution

The fourth proportional to 306,943.92, 423,379.80 and 192,023.16 is: 264,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,943.92 : 423,379.80 = 192,023.16 : x
  2. Step 2: Convert to fraction form
    306,943.92/423,379.80 = 192,023.16/x
  3. Step 3: Cross multiply
    306,943.92x = 423,379.80 × 192,023.16
  4. Step 4: Simplify right side
    306,943.92x = 81,298,727,076.17
  5. Step 5: Solve for x
    x = 81,298,727,076.17/306,943.92
  6. Step 6: Final answer
    x = 264,865.08

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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.