Finding the Fourth Proportional to 345,268.12, 517,973.19 and 145,589.08
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Solution
The fourth proportional to 345,268.12, 517,973.19 and 145,589.08 is: 218,413.56
Step by Step Solution
- Step 1: Write the proportion equation
345,268.12 : 517,973.19 = 145,589.08 : x - Step 2: Convert to fraction form
345,268.12/517,973.19 = 145,589.08/x - Step 3: Cross multiply
345,268.12x = 517,973.19 × 145,589.08 - Step 4: Simplify right side
345,268.12x = 75,411,240,196.77 - Step 5: Solve for x
x = 75,411,240,196.77/345,268.12 - Step 6: Final answer
x = 218,413.56
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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.