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Finding the Fourth Proportional to 365,056.98, 503,728.83 and 203,891.46

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Solution

The fourth proportional to 365,056.98, 503,728.83 and 203,891.46 is: 281,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,056.98 : 503,728.83 = 203,891.46 : x
  2. Step 2: Convert to fraction form
    365,056.98/503,728.83 = 203,891.46/x
  3. Step 3: Cross multiply
    365,056.98x = 503,728.83 × 203,891.46
  4. Step 4: Simplify right side
    365,056.98x = 102,706,006,592.79
  5. Step 5: Solve for x
    x = 102,706,006,592.79/365,056.98
  6. Step 6: Final answer
    x = 281,342.40

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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.