Finding the Fourth Proportional to 371,674.40, 557,532.72 and 105,413.84
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Solution
The fourth proportional to 371,674.40, 557,532.72 and 105,413.84 is: 158,126.75
Step by Step Solution
- Step 1: Write the proportion equation
371,674.40 : 557,532.72 = 105,413.84 : x - Step 2: Convert to fraction form
371,674.40/557,532.72 = 105,413.84/x - Step 3: Cross multiply
371,674.40x = 557,532.72 × 105,413.84 - Step 4: Simplify right side
371,674.40x = 58,771,664,940.84 - Step 5: Solve for x
x = 58,771,664,940.84/371,674.40 - Step 6: Final answer
x = 158,126.75
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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.