Finding the Fourth Proportional to 437,579.94, 656,132.99 and 197,413.17
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Solution
The fourth proportional to 437,579.94, 656,132.99 and 197,413.17 is: 296,012.87
Step by Step Solution
- Step 1: Write the proportion equation
437,579.94 : 656,132.99 = 197,413.17 : x - Step 2: Convert to fraction form
437,579.94/656,132.99 = 197,413.17/x - Step 3: Cross multiply
437,579.94x = 656,132.99 × 197,413.17 - Step 4: Simplify right side
437,579.94x = 129,529,292,510.41 - Step 5: Solve for x
x = 129,529,292,510.41/437,579.94 - Step 6: Final answer
x = 296,012.87
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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.