Home / 343,623.78-472,519.28-298,222.94

Finding the Fourth Proportional to 343,623.78, 472,519.28 and 298,222.94

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Solution

The fourth proportional to 343,623.78, 472,519.28 and 298,222.94 is: 410,088.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,623.78 : 472,519.28 = 298,222.94 : x
  2. Step 2: Convert to fraction form
    343,623.78/472,519.28 = 298,222.94/x
  3. Step 3: Cross multiply
    343,623.78x = 472,519.28 × 298,222.94
  4. Step 4: Simplify right side
    343,623.78x = 140,916,085,034.57
  5. Step 5: Solve for x
    x = 140,916,085,034.57/343,623.78
  6. Step 6: Final answer
    x = 410,088.28

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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.