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Finding the Fourth Proportional to 343,473.93, 473,897.12 and 222,620.31

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Solution

The fourth proportional to 343,473.93, 473,897.12 and 222,620.31 is: 307,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,473.93 : 473,897.12 = 222,620.31 : x
  2. Step 2: Convert to fraction form
    343,473.93/473,897.12 = 222,620.31/x
  3. Step 3: Cross multiply
    343,473.93x = 473,897.12 × 222,620.31
  4. Step 4: Simplify right side
    343,473.93x = 105,499,122,649.41
  5. Step 5: Solve for x
    x = 105,499,122,649.41/343,473.93
  6. Step 6: Final answer
    x = 307,153.22

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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.