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Finding the Fourth Proportional to 170,845.80, 256,268.08 and 46,186.80

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Solution

The fourth proportional to 170,845.80, 256,268.08 and 46,186.80 is: 69,280.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,845.80 : 256,268.08 = 46,186.80 : x
  2. Step 2: Convert to fraction form
    170,845.80/256,268.08 = 46,186.80/x
  3. Step 3: Cross multiply
    170,845.80x = 256,268.08 × 46,186.80
  4. Step 4: Simplify right side
    170,845.80x = 11,836,202,557.34
  5. Step 5: Solve for x
    x = 11,836,202,557.34/170,845.80
  6. Step 6: Final answer
    x = 69,280.03

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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.