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Finding the Fourth Proportional to 277,092.60, 382,380.12 and 156,232.82

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Solution

The fourth proportional to 277,092.60, 382,380.12 and 156,232.82 is: 215,596.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,092.60 : 382,380.12 = 156,232.82 : x
  2. Step 2: Convert to fraction form
    277,092.60/382,380.12 = 156,232.82/x
  3. Step 3: Cross multiply
    277,092.60x = 382,380.12 × 156,232.82
  4. Step 4: Simplify right side
    277,092.60x = 59,740,322,547.64
  5. Step 5: Solve for x
    x = 59,740,322,547.64/277,092.60
  6. Step 6: Final answer
    x = 215,596.96

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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.