Finding the Fourth Proportional to 352,557.40, 528,836.10 and 299,413.30
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Solution
The fourth proportional to 352,557.40, 528,836.10 and 299,413.30 is: 449,119.95
Step by Step Solution
- Step 1: Write the proportion equation
352,557.40 : 528,836.10 = 299,413.30 : x - Step 2: Convert to fraction form
352,557.40/528,836.10 = 299,413.30/x - Step 3: Cross multiply
352,557.40x = 528,836.10 × 299,413.30 - Step 4: Simplify right side
352,557.40x = 158,340,561,860.13 - Step 5: Solve for x
x = 158,340,561,860.13/352,557.40 - Step 6: Final answer
x = 449,119.95
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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.