Finding the Fourth Proportional to 145,382.40, 217,723.68 and 98,493.12
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Solution
The fourth proportional to 145,382.40, 217,723.68 and 98,493.12 is: 147,502.62
Step by Step Solution
- Step 1: Write the proportion equation
145,382.40 : 217,723.68 = 98,493.12 : x - Step 2: Convert to fraction form
145,382.40/217,723.68 = 98,493.12/x - Step 3: Cross multiply
145,382.40x = 217,723.68 × 98,493.12 - Step 4: Simplify right side
145,382.40x = 21,444,284,541.08 - Step 5: Solve for x
x = 21,444,284,541.08/145,382.40 - Step 6: Final answer
x = 147,502.62
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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.