Finding the Fourth Proportional to 440,356.52, 659,413.26 and 290,141.53
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Solution
The fourth proportional to 440,356.52, 659,413.26 and 290,141.53 is: 434,473.34
Step by Step Solution
- Step 1: Write the proportion equation
440,356.52 : 659,413.26 = 290,141.53 : x - Step 2: Convert to fraction form
440,356.52/659,413.26 = 290,141.53/x - Step 3: Cross multiply
440,356.52x = 659,413.26 × 290,141.53 - Step 4: Simplify right side
440,356.52x = 191,323,170,510.16 - Step 5: Solve for x
x = 191,323,170,510.16/440,356.52 - Step 6: Final answer
x = 434,473.34
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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.