Home / 343,485.18-473,912.64-222,631.56

Finding the Fourth Proportional to 343,485.18, 473,912.64 and 222,631.56

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Solution

The fourth proportional to 343,485.18, 473,912.64 and 222,631.56 is: 307,168.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,485.18 : 473,912.64 = 222,631.56 : x
  2. Step 2: Convert to fraction form
    343,485.18/473,912.64 = 222,631.56/x
  3. Step 3: Cross multiply
    343,485.18x = 473,912.64 × 222,631.56
  4. Step 4: Simplify right side
    343,485.18x = 105,507,910,346.92
  5. Step 5: Solve for x
    x = 105,507,910,346.92/343,485.18
  6. Step 6: Final answer
    x = 307,168.74

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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.