Finding the Fourth Proportional to 494,439.14, 741,413.12 and 157,435.80
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Solution
The fourth proportional to 494,439.14, 741,413.12 and 157,435.80 is: 236,075.50
Step by Step Solution
- Step 1: Write the proportion equation
494,439.14 : 741,413.12 = 157,435.80 : x - Step 2: Convert to fraction form
494,439.14/741,413.12 = 157,435.80/x - Step 3: Cross multiply
494,439.14x = 741,413.12 × 157,435.80 - Step 4: Simplify right side
494,439.14x = 116,724,966,890.52 - Step 5: Solve for x
x = 116,724,966,890.52/494,439.14 - Step 6: Final answer
x = 236,075.50
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1.5x scale
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.