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Finding the Fourth Proportional to 360,239.78, 497,087.82 and 199,072.94

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Solution

The fourth proportional to 360,239.78, 497,087.82 and 199,072.94 is: 274,696.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,239.78 : 497,087.82 = 199,072.94 : x
  2. Step 2: Convert to fraction form
    360,239.78/497,087.82 = 199,072.94/x
  3. Step 3: Cross multiply
    360,239.78x = 497,087.82 × 199,072.94
  4. Step 4: Simplify right side
    360,239.78x = 98,956,731,280.15
  5. Step 5: Solve for x
    x = 98,956,731,280.15/360,239.78
  6. Step 6: Final answer
    x = 274,696.84

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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.