Finding the Fourth Proportional to 122,326.26, 183,413.95 and 42,345.62
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Solution
The fourth proportional to 122,326.26, 183,413.95 and 42,345.62 is: 63,492.31
Step by Step Solution
- Step 1: Write the proportion equation
122,326.26 : 183,413.95 = 42,345.62 : x - Step 2: Convert to fraction form
122,326.26/183,413.95 = 42,345.62/x - Step 3: Cross multiply
122,326.26x = 183,413.95 × 42,345.62 - Step 4: Simplify right side
122,326.26x = 7,766,776,856.25 - Step 5: Solve for x
x = 7,766,776,856.25/122,326.26 - Step 6: Final answer
x = 63,492.31
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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.