Home / 343,083.51-473,470.30-190,121.36

Finding the Fourth Proportional to 343,083.51, 473,470.30 and 190,121.36

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Solution

The fourth proportional to 343,083.51, 473,470.30 and 190,121.36 is: 262,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,083.51 : 473,470.30 = 190,121.36 : x
  2. Step 2: Convert to fraction form
    343,083.51/473,470.30 = 190,121.36/x
  3. Step 3: Cross multiply
    343,083.51x = 473,470.30 × 190,121.36
  4. Step 4: Simplify right side
    343,083.51x = 90,016,816,647.24
  5. Step 5: Solve for x
    x = 90,016,816,647.24/343,083.51
  6. Step 6: Final answer
    x = 262,375.82

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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.