Finding the Fourth Proportional to 98,226.71, 135,517.28 and 64,254.54
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Solution
The fourth proportional to 98,226.71, 135,517.28 and 64,254.54 is: 88,647.99
Step by Step Solution
- Step 1: Write the proportion equation
98,226.71 : 135,517.28 = 64,254.54 : x - Step 2: Convert to fraction form
98,226.71/135,517.28 = 64,254.54/x - Step 3: Cross multiply
98,226.71x = 135,517.28 × 64,254.54 - Step 4: Simplify right side
98,226.71x = 8,707,600,167.18 - Step 5: Solve for x
x = 8,707,600,167.18/98,226.71 - Step 6: Final answer
x = 88,647.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.