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Finding the Fourth Proportional to 170,989.97, 256,484.91 and 46,330.97

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Solution

The fourth proportional to 170,989.97, 256,484.91 and 46,330.97 is: 69,496.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,989.97 : 256,484.91 = 46,330.97 : x
  2. Step 2: Convert to fraction form
    170,989.97/256,484.91 = 46,330.97/x
  3. Step 3: Cross multiply
    170,989.97x = 256,484.91 × 46,330.97
  4. Step 4: Simplify right side
    170,989.97x = 11,883,194,670.66
  5. Step 5: Solve for x
    x = 11,883,194,670.66/170,989.97
  6. Step 6: Final answer
    x = 69,496.44

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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.