Finding the Fourth Proportional to 292,511.25, 438,435.18 and 134,413.02
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Solution
The fourth proportional to 292,511.25, 438,435.18 and 134,413.02 is: 201,467.11
Step by Step Solution
- Step 1: Write the proportion equation
292,511.25 : 438,435.18 = 134,413.02 : x - Step 2: Convert to fraction form
292,511.25/438,435.18 = 134,413.02/x - Step 3: Cross multiply
292,511.25x = 438,435.18 × 134,413.02 - Step 4: Simplify right side
292,511.25x = 58,931,396,618.04 - Step 5: Solve for x
x = 58,931,396,618.04/292,511.25 - Step 6: Final answer
x = 201,467.11
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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.