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Finding the Fourth Proportional to 379,047.26, 569,248.55 and 363,808.67

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Solution

The fourth proportional to 379,047.26, 569,248.55 and 363,808.67 is: 546,363.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,047.26 : 569,248.55 = 363,808.67 : x
  2. Step 2: Convert to fraction form
    379,047.26/569,248.55 = 363,808.67/x
  3. Step 3: Cross multiply
    379,047.26x = 569,248.55 × 363,808.67
  4. Step 4: Simplify right side
    379,047.26x = 207,097,557,874.93
  5. Step 5: Solve for x
    x = 207,097,557,874.93/379,047.26
  6. Step 6: Final answer
    x = 546,363.42

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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.