Finding the Fourth Proportional to 131,626.02, 181,643.84 and 74,277.48
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Solution
The fourth proportional to 131,626.02, 181,643.84 and 74,277.48 is: 102,502.88
Step by Step Solution
- Step 1: Write the proportion equation
131,626.02 : 181,643.84 = 74,277.48 : x - Step 2: Convert to fraction form
131,626.02/181,643.84 = 74,277.48/x - Step 3: Cross multiply
131,626.02x = 181,643.84 × 74,277.48 - Step 4: Simplify right side
131,626.02x = 13,492,046,692.72 - Step 5: Solve for x
x = 13,492,046,692.72/131,626.02 - Step 6: Final answer
x = 102,502.88
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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.