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Finding the Fourth Proportional to 171,613.44, 257,431.68 and 46,955.52

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Solution

The fourth proportional to 171,613.44, 257,431.68 and 46,955.52 is: 70,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,613.44 : 257,431.68 = 46,955.52 : x
  2. Step 2: Convert to fraction form
    171,613.44/257,431.68 = 46,955.52/x
  3. Step 3: Cross multiply
    171,613.44x = 257,431.68 × 46,955.52
  4. Step 4: Simplify right side
    171,613.44x = 12,087,838,398.87
  5. Step 5: Solve for x
    x = 12,087,838,398.87/171,613.44
  6. Step 6: Final answer
    x = 70,436.43

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1.5x scale

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.