Finding the Fourth Proportional to 118,517.13, 177,775.70 and 35,411.13
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Solution
The fourth proportional to 118,517.13, 177,775.70 and 35,411.13 is: 53,116.70
Step by Step Solution
- Step 1: Write the proportion equation
118,517.13 : 177,775.70 = 35,411.13 : x - Step 2: Convert to fraction form
118,517.13/177,775.70 = 35,411.13/x - Step 3: Cross multiply
118,517.13x = 177,775.70 × 35,411.13 - Step 4: Simplify right side
118,517.13x = 6,295,238,423.54 - Step 5: Solve for x
x = 6,295,238,423.54/118,517.13 - Step 6: Final answer
x = 53,116.70
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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.