Finding the Fourth Proportional to 109,781.19, 151,497.99 and 59,480.19
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Solution
The fourth proportional to 109,781.19, 151,497.99 and 59,480.19 is: 82,082.63
Step by Step Solution
- Step 1: Write the proportion equation
109,781.19 : 151,497.99 = 59,480.19 : x - Step 2: Convert to fraction form
109,781.19/151,497.99 = 59,480.19/x - Step 3: Cross multiply
109,781.19x = 151,497.99 × 59,480.19 - Step 4: Simplify right side
109,781.19x = 9,011,129,229.82 - Step 5: Solve for x
x = 9,011,129,229.82/109,781.19 - Step 6: Final answer
x = 82,082.63
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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.