Home / 343,128.09-473,403.27-207,110.37

Finding the Fourth Proportional to 343,128.09, 473,403.27 and 207,110.37

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Solution

The fourth proportional to 343,128.09, 473,403.27 and 207,110.37 is: 285,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,128.09 : 473,403.27 = 207,110.37 : x
  2. Step 2: Convert to fraction form
    343,128.09/473,403.27 = 207,110.37/x
  3. Step 3: Cross multiply
    343,128.09x = 473,403.27 × 207,110.37
  4. Step 4: Simplify right side
    343,128.09x = 98,046,726,408.91
  5. Step 5: Solve for x
    x = 98,046,726,408.91/343,128.09
  6. Step 6: Final answer
    x = 285,743.81

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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.