Finding the Fourth Proportional to 98,382.74, 147,486.44 and 36,038.66
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Solution
The fourth proportional to 98,382.74, 147,486.44 and 36,038.66 is: 54,025.88
Step by Step Solution
- Step 1: Write the proportion equation
98,382.74 : 147,486.44 = 36,038.66 : x - Step 2: Convert to fraction form
98,382.74/147,486.44 = 36,038.66/x - Step 3: Cross multiply
98,382.74x = 147,486.44 × 36,038.66 - Step 4: Simplify right side
98,382.74x = 5,315,213,665.77 - Step 5: Solve for x
x = 5,315,213,665.77/98,382.74 - Step 6: Final answer
x = 54,025.88
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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.