Finding the Fourth Proportional to 292,454.40, 403,588.36 and 158,318.40
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Solution
The fourth proportional to 292,454.40, 403,588.36 and 158,318.40 is: 218,480.09
Step by Step Solution
- Step 1: Write the proportion equation
292,454.40 : 403,588.36 = 158,318.40 : x - Step 2: Convert to fraction form
292,454.40/403,588.36 = 158,318.40/x - Step 3: Cross multiply
292,454.40x = 403,588.36 × 158,318.40 - Step 4: Simplify right side
292,454.40x = 63,895,463,413.82 - Step 5: Solve for x
x = 63,895,463,413.82/292,454.40 - Step 6: Final answer
x = 218,480.09
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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.