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Finding the Fourth Proportional to 171,092.61, 256,639.05 and 46,433.61

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Solution

The fourth proportional to 171,092.61, 256,639.05 and 46,433.61 is: 69,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,092.61 : 256,639.05 = 46,433.61 : x
  2. Step 2: Convert to fraction form
    171,092.61/256,639.05 = 46,433.61/x
  3. Step 3: Cross multiply
    171,092.61x = 256,639.05 × 46,433.61
  4. Step 4: Simplify right side
    171,092.61x = 11,916,677,558.47
  5. Step 5: Solve for x
    x = 11,916,677,558.47/171,092.61
  6. Step 6: Final answer
    x = 69,650.45

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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.