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Finding the Fourth Proportional to 469,768.38, 704,564.01 and 132,806.36

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Solution

The fourth proportional to 469,768.38, 704,564.01 and 132,806.36 is: 199,184.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,768.38 : 704,564.01 = 132,806.36 : x
  2. Step 2: Convert to fraction form
    469,768.38/704,564.01 = 132,806.36/x
  3. Step 3: Cross multiply
    469,768.38x = 704,564.01 × 132,806.36
  4. Step 4: Simplify right side
    469,768.38x = 93,570,578,032.28
  5. Step 5: Solve for x
    x = 93,570,578,032.28/469,768.38
  6. Step 6: Final answer
    x = 199,184.50

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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.