Finding the Fourth Proportional to 196,343.99, 293,185.90 and 155,909.19
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Solution
The fourth proportional to 196,343.99, 293,185.90 and 155,909.19 is: 232,807.62
Step by Step Solution
- Step 1: Write the proportion equation
196,343.99 : 293,185.90 = 155,909.19 : x - Step 2: Convert to fraction form
196,343.99/293,185.90 = 155,909.19/x - Step 3: Cross multiply
196,343.99x = 293,185.90 × 155,909.19 - Step 4: Simplify right side
196,343.99x = 45,710,376,188.42 - Step 5: Solve for x
x = 45,710,376,188.42/196,343.99 - Step 6: Final answer
x = 232,807.62
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.