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Finding the Fourth Proportional to 201,329.91, 277,828.19 and 110,685.22

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Solution

The fourth proportional to 201,329.91, 277,828.19 and 110,685.22 is: 152,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,329.91 : 277,828.19 = 110,685.22 : x
  2. Step 2: Convert to fraction form
    201,329.91/277,828.19 = 110,685.22/x
  3. Step 3: Cross multiply
    201,329.91x = 277,828.19 × 110,685.22
  4. Step 4: Simplify right side
    201,329.91x = 30,751,473,084.36
  5. Step 5: Solve for x
    x = 30,751,473,084.36/201,329.91
  6. Step 6: Final answer
    x = 152,741.70

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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.