Finding the Fourth Proportional to 118,103.51, 177,178.08 and 38,162.99
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Solution
The fourth proportional to 118,103.51, 177,178.08 and 38,162.99 is: 57,251.86
Step by Step Solution
- Step 1: Write the proportion equation
118,103.51 : 177,178.08 = 38,162.99 : x - Step 2: Convert to fraction form
118,103.51/177,178.08 = 38,162.99/x - Step 3: Cross multiply
118,103.51x = 177,178.08 × 38,162.99 - Step 4: Simplify right side
118,103.51x = 6,761,645,295.26 - Step 5: Solve for x
x = 6,761,645,295.26/118,103.51 - Step 6: Final answer
x = 57,251.86
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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.