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Finding the Fourth Proportional to 556,825.25, 835,361 and 236,960.30

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Solution

The fourth proportional to 556,825.25, 835,361 and 236,960.30 is: 355,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,825.25 : 835,361 = 236,960.30 : x
  2. Step 2: Convert to fraction form
    556,825.25/835,361 = 236,960.30/x
  3. Step 3: Cross multiply
    556,825.25x = 835,361 × 236,960.30
  4. Step 4: Simplify right side
    556,825.25x = 197,947,393,168.30
  5. Step 5: Solve for x
    x = 197,947,393,168.30/556,825.25
  6. Step 6: Final answer
    x = 355,492.85

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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.