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Finding the Fourth Proportional to 493,868.88, 740,857.98 and 194,310

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Solution

The fourth proportional to 493,868.88, 740,857.98 and 194,310 is: 291,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,868.88 : 740,857.98 = 194,310 : x
  2. Step 2: Convert to fraction form
    493,868.88/740,857.98 = 194,310/x
  3. Step 3: Cross multiply
    493,868.88x = 740,857.98 × 194,310
  4. Step 4: Simplify right side
    493,868.88x = 143,956,114,093.80
  5. Step 5: Solve for x
    x = 143,956,114,093.80/493,868.88
  6. Step 6: Final answer
    x = 291,486.51

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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.