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Finding the Fourth Proportional to 181,278, 250,193.60 and 151,015.38

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Solution

The fourth proportional to 181,278, 250,193.60 and 151,015.38 is: 208,426.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,278 : 250,193.60 = 151,015.38 : x
  2. Step 2: Convert to fraction form
    181,278/250,193.60 = 151,015.38/x
  3. Step 3: Cross multiply
    181,278x = 250,193.60 × 151,015.38
  4. Step 4: Simplify right side
    181,278x = 37,783,081,577.57
  5. Step 5: Solve for x
    x = 37,783,081,577.57/181,278
  6. Step 6: Final answer
    x = 208,426.18

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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.