Finding the Fourth Proportional to 554,413.52, 831,612.99 and 133,685.75
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Solution
The fourth proportional to 554,413.52, 831,612.99 and 133,685.75 is: 200,526.87
Step by Step Solution
- Step 1: Write the proportion equation
554,413.52 : 831,612.99 = 133,685.75 : x - Step 2: Convert to fraction form
554,413.52/831,612.99 = 133,685.75/x - Step 3: Cross multiply
554,413.52x = 831,612.99 × 133,685.75 - Step 4: Simplify right side
554,413.52x = 111,174,806,277.89 - Step 5: Solve for x
x = 111,174,806,277.89/554,413.52 - Step 6: Final answer
x = 200,526.87
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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.