Home / 343,989.09-473,857.83-292,837.59

Finding the Fourth Proportional to 343,989.09, 473,857.83 and 292,837.59

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Solution

The fourth proportional to 343,989.09, 473,857.83 and 292,837.59 is: 403,394.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,989.09 : 473,857.83 = 292,837.59 : x
  2. Step 2: Convert to fraction form
    343,989.09/473,857.83 = 292,837.59/x
  3. Step 3: Cross multiply
    343,989.09x = 473,857.83 × 292,837.59
  4. Step 4: Simplify right side
    343,989.09x = 138,763,384,939.83
  5. Step 5: Solve for x
    x = 138,763,384,939.83/343,989.09
  6. Step 6: Final answer
    x = 403,394.73

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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.