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Finding the Fourth Proportional to 438,699, 658,091.82 and 182,478.98

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Solution

The fourth proportional to 438,699, 658,091.82 and 182,478.98 is: 273,736.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,699 : 658,091.82 = 182,478.98 : x
  2. Step 2: Convert to fraction form
    438,699/658,091.82 = 182,478.98/x
  3. Step 3: Cross multiply
    438,699x = 658,091.82 × 182,478.98
  4. Step 4: Simplify right side
    438,699x = 120,087,924,059.94
  5. Step 5: Solve for x
    x = 120,087,924,059.94/438,699
  6. Step 6: Final answer
    x = 273,736.49

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1.5x scale

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.