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Finding the Fourth Proportional to 434,871.81, 652,369.22 and 135,382.62

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Solution

The fourth proportional to 434,871.81, 652,369.22 and 135,382.62 is: 203,093.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,871.81 : 652,369.22 = 135,382.62 : x
  2. Step 2: Convert to fraction form
    434,871.81/652,369.22 = 135,382.62/x
  3. Step 3: Cross multiply
    434,871.81x = 652,369.22 × 135,382.62
  4. Step 4: Simplify right side
    434,871.81x = 88,319,453,534.04
  5. Step 5: Solve for x
    x = 88,319,453,534.04/434,871.81
  6. Step 6: Final answer
    x = 203,093.08

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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.