Finding the Fourth Proportional to 145,563.19, 218,344.88 and 40,382.26
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Solution
The fourth proportional to 145,563.19, 218,344.88 and 40,382.26 is: 60,573.41
Step by Step Solution
- Step 1: Write the proportion equation
145,563.19 : 218,344.88 = 40,382.26 : x - Step 2: Convert to fraction form
145,563.19/218,344.88 = 40,382.26/x - Step 3: Cross multiply
145,563.19x = 218,344.88 × 40,382.26 - Step 4: Simplify right side
145,563.19x = 8,817,259,268.92 - Step 5: Solve for x
x = 8,817,259,268.92/145,563.19 - Step 6: Final answer
x = 60,573.41
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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.