Finding the Fourth Proportional to 118,842.26, 178,224.50 and 55,642.82
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Solution
The fourth proportional to 118,842.26, 178,224.50 and 55,642.82 is: 83,446.02
Step by Step Solution
- Step 1: Write the proportion equation
118,842.26 : 178,224.50 = 55,642.82 : x - Step 2: Convert to fraction form
118,842.26/178,224.50 = 55,642.82/x - Step 3: Cross multiply
118,842.26x = 178,224.50 × 55,642.82 - Step 4: Simplify right side
118,842.26x = 9,916,913,021.07 - Step 5: Solve for x
x = 9,916,913,021.07/118,842.26 - Step 6: Final answer
x = 83,446.02
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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.