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Finding the Fourth Proportional to 363,551.48, 501,699.94 and 202,402.38

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Solution

The fourth proportional to 363,551.48, 501,699.94 and 202,402.38 is: 279,314.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,551.48 : 501,699.94 = 202,402.38 : x
  2. Step 2: Convert to fraction form
    363,551.48/501,699.94 = 202,402.38/x
  3. Step 3: Cross multiply
    363,551.48x = 501,699.94 × 202,402.38
  4. Step 4: Simplify right side
    363,551.48x = 101,545,261,901.86
  5. Step 5: Solve for x
    x = 101,545,261,901.86/363,551.48
  6. Step 6: Final answer
    x = 279,314.67

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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.