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Finding the Fourth Proportional to 555,409.25, 832,941.64 and 200,377.14

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Solution

The fourth proportional to 555,409.25, 832,941.64 and 200,377.14 is: 300,503.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,409.25 : 832,941.64 = 200,377.14 : x
  2. Step 2: Convert to fraction form
    555,409.25/832,941.64 = 200,377.14/x
  3. Step 3: Cross multiply
    555,409.25x = 832,941.64 × 200,377.14
  4. Step 4: Simplify right side
    555,409.25x = 166,902,463,610.11
  5. Step 5: Solve for x
    x = 166,902,463,610.11/555,409.25
  6. Step 6: Final answer
    x = 300,503.57

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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.