Finding the Fourth Proportional to 146,791.67, 202,569.20 and 85,534.07
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Solution
The fourth proportional to 146,791.67, 202,569.20 and 85,534.07 is: 118,035.09
Step by Step Solution
- Step 1: Write the proportion equation
146,791.67 : 202,569.20 = 85,534.07 : x - Step 2: Convert to fraction form
146,791.67/202,569.20 = 85,534.07/x - Step 3: Cross multiply
146,791.67x = 202,569.20 × 85,534.07 - Step 4: Simplify right side
146,791.67x = 17,326,566,692.13 - Step 5: Solve for x
x = 17,326,566,692.13/146,791.67 - Step 6: Final answer
x = 118,035.09
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1.5x scale
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.