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Finding the Fourth Proportional to 201,045.21, 277,445.33 and 110,409.33

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Solution

The fourth proportional to 201,045.21, 277,445.33 and 110,409.33 is: 152,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,045.21 : 277,445.33 = 110,409.33 : x
  2. Step 2: Convert to fraction form
    201,045.21/277,445.33 = 110,409.33/x
  3. Step 3: Cross multiply
    201,045.21x = 277,445.33 × 110,409.33
  4. Step 4: Simplify right side
    201,045.21x = 30,632,552,028.18
  5. Step 5: Solve for x
    x = 30,632,552,028.18/201,045.21
  6. Step 6: Final answer
    x = 152,366.48

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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.