Finding the Fourth Proportional to 653,893.13, 980,858.10 and 180,578.49
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Solution
The fourth proportional to 653,893.13, 980,858.10 and 180,578.49 is: 270,872.82
Step by Step Solution
- Step 1: Write the proportion equation
653,893.13 : 980,858.10 = 180,578.49 : x - Step 2: Convert to fraction form
653,893.13/980,858.10 = 180,578.49/x - Step 3: Cross multiply
653,893.13x = 980,858.10 × 180,578.49 - Step 4: Simplify right side
653,893.13x = 177,121,874,602.27 - Step 5: Solve for x
x = 177,121,874,602.27/653,893.13 - Step 6: Final answer
x = 270,872.82
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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.