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Finding the Fourth Proportional to 622,239.07, 933,494.69 and 201,557.47

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Solution

The fourth proportional to 622,239.07, 933,494.69 and 201,557.47 is: 302,380.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,239.07 : 933,494.69 = 201,557.47 : x
  2. Step 2: Convert to fraction form
    622,239.07/933,494.69 = 201,557.47/x
  3. Step 3: Cross multiply
    622,239.07x = 933,494.69 × 201,557.47
  4. Step 4: Simplify right side
    622,239.07x = 188,152,827,974.83
  5. Step 5: Solve for x
    x = 188,152,827,974.83/622,239.07
  6. Step 6: Final answer
    x = 302,380.29

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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.