Home / 252,436.78-378,399.66-163,746.64

Finding the Fourth Proportional to 252,436.78, 378,399.66 and 163,746.64

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Solution

The fourth proportional to 252,436.78, 378,399.66 and 163,746.64 is: 245,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,436.78 : 378,399.66 = 163,746.64 : x
  2. Step 2: Convert to fraction form
    252,436.78/378,399.66 = 163,746.64/x
  3. Step 3: Cross multiply
    252,436.78x = 378,399.66 × 163,746.64
  4. Step 4: Simplify right side
    252,436.78x = 61,961,672,902.14
  5. Step 5: Solve for x
    x = 61,961,672,902.14/252,436.78
  6. Step 6: Final answer
    x = 245,454.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.