Finding the Fourth Proportional to 487,542.75, 731,413.87 and 167,653.07
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Solution
The fourth proportional to 487,542.75, 731,413.87 and 167,653.07 is: 251,513.90
Step by Step Solution
- Step 1: Write the proportion equation
487,542.75 : 731,413.87 = 167,653.07 : x - Step 2: Convert to fraction form
487,542.75/731,413.87 = 167,653.07/x - Step 3: Cross multiply
487,542.75x = 731,413.87 × 167,653.07 - Step 4: Simplify right side
487,542.75x = 122,623,779,907.82 - Step 5: Solve for x
x = 122,623,779,907.82/487,542.75 - Step 6: Final answer
x = 251,513.90
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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.