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Finding the Fourth Proportional to 379,063.89, 522,888.89 and 244,927.89

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Solution

The fourth proportional to 379,063.89, 522,888.89 and 244,927.89 is: 337,858.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,063.89 : 522,888.89 = 244,927.89 : x
  2. Step 2: Convert to fraction form
    379,063.89/522,888.89 = 244,927.89/x
  3. Step 3: Cross multiply
    379,063.89x = 522,888.89 × 244,927.89
  4. Step 4: Simplify right side
    379,063.89x = 128,070,071,307.50
  5. Step 5: Solve for x
    x = 128,070,071,307.50/379,063.89
  6. Step 6: Final answer
    x = 337,858.80

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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.