Finding the Fourth Proportional to 274,490.51, 411,768.97 and 96,961.19
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Solution
The fourth proportional to 274,490.51, 411,768.97 and 96,961.19 is: 145,453.51
Step by Step Solution
- Step 1: Write the proportion equation
274,490.51 : 411,768.97 = 96,961.19 : x - Step 2: Convert to fraction form
274,490.51/411,768.97 = 96,961.19/x - Step 3: Cross multiply
274,490.51x = 411,768.97 × 96,961.19 - Step 4: Simplify right side
274,490.51x = 39,925,607,035.03 - Step 5: Solve for x
x = 39,925,607,035.03/274,490.51 - Step 6: Final answer
x = 145,453.51
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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.