Home / 262,853.28-362,611.08-172,170

Finding the Fourth Proportional to 262,853.28, 362,611.08 and 172,170

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Solution

The fourth proportional to 262,853.28, 362,611.08 and 172,170 is: 237,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,853.28 : 362,611.08 = 172,170 : x
  2. Step 2: Convert to fraction form
    262,853.28/362,611.08 = 172,170/x
  3. Step 3: Cross multiply
    262,853.28x = 362,611.08 × 172,170
  4. Step 4: Simplify right side
    262,853.28x = 62,430,749,643.60
  5. Step 5: Solve for x
    x = 62,430,749,643.60/262,853.28
  6. Step 6: Final answer
    x = 237,511.78

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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.