Finding the Fourth Proportional to 151,560.26, 209,148.33 and 83,580.09
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Solution
The fourth proportional to 151,560.26, 209,148.33 and 83,580.09 is: 115,337.87
Step by Step Solution
- Step 1: Write the proportion equation
151,560.26 : 209,148.33 = 83,580.09 : x - Step 2: Convert to fraction form
151,560.26/209,148.33 = 83,580.09/x - Step 3: Cross multiply
151,560.26x = 209,148.33 × 83,580.09 - Step 4: Simplify right side
151,560.26x = 17,480,636,244.75 - Step 5: Solve for x
x = 17,480,636,244.75/151,560.26 - Step 6: Final answer
x = 115,337.87
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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.