Home / 353,233.21-487,474.62-202,359.37

Finding the Fourth Proportional to 353,233.21, 487,474.62 and 202,359.37

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Solution

The fourth proportional to 353,233.21, 487,474.62 and 202,359.37 is: 279,263.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,233.21 : 487,474.62 = 202,359.37 : x
  2. Step 2: Convert to fraction form
    353,233.21/487,474.62 = 202,359.37/x
  3. Step 3: Cross multiply
    353,233.21x = 487,474.62 × 202,359.37
  4. Step 4: Simplify right side
    353,233.21x = 98,645,056,994.19
  5. Step 5: Solve for x
    x = 98,645,056,994.19/353,233.21
  6. Step 6: Final answer
    x = 279,263.26

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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.