Finding the Fourth Proportional to 403,715.14, 605,691.14 and 119,413.20
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Solution
The fourth proportional to 403,715.14, 605,691.14 and 119,413.20 is: 179,154.83
Step by Step Solution
- Step 1: Write the proportion equation
403,715.14 : 605,691.14 = 119,413.20 : x - Step 2: Convert to fraction form
403,715.14/605,691.14 = 119,413.20/x - Step 3: Cross multiply
403,715.14x = 605,691.14 × 119,413.20 - Step 4: Simplify right side
403,715.14x = 72,327,517,239.05 - Step 5: Solve for x
x = 72,327,517,239.05/403,715.14 - Step 6: Final answer
x = 179,154.83
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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.