Home / 287,270.64-396,367.32-174,069.36

Finding the Fourth Proportional to 287,270.64, 396,367.32 and 174,069.36

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Solution

The fourth proportional to 287,270.64, 396,367.32 and 174,069.36 is: 240,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,270.64 : 396,367.32 = 174,069.36 : x
  2. Step 2: Convert to fraction form
    287,270.64/396,367.32 = 174,069.36/x
  3. Step 3: Cross multiply
    287,270.64x = 396,367.32 × 174,069.36
  4. Step 4: Simplify right side
    287,270.64x = 68,995,405,717.32
  5. Step 5: Solve for x
    x = 68,995,405,717.32/287,270.64
  6. Step 6: Final answer
    x = 240,175.63

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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.