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Finding the Fourth Proportional to 286,573.52, 395,370.63 and 171,889.29

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Solution

The fourth proportional to 286,573.52, 395,370.63 and 171,889.29 is: 237,146.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,573.52 : 395,370.63 = 171,889.29 : x
  2. Step 2: Convert to fraction form
    286,573.52/395,370.63 = 171,889.29/x
  3. Step 3: Cross multiply
    286,573.52x = 395,370.63 × 171,889.29
  4. Step 4: Simplify right side
    286,573.52x = 67,959,976,877.55
  5. Step 5: Solve for x
    x = 67,959,976,877.55/286,573.52
  6. Step 6: Final answer
    x = 237,146.75

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1.5x scale

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.