Finding the Fourth Proportional to 245,136.14, 338,269.70 and 137,724.08
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Solution
The fourth proportional to 245,136.14, 338,269.70 and 137,724.08 is: 190,049.02
Step by Step Solution
- Step 1: Write the proportion equation
245,136.14 : 338,269.70 = 137,724.08 : x - Step 2: Convert to fraction form
245,136.14/338,269.70 = 137,724.08/x - Step 3: Cross multiply
245,136.14x = 338,269.70 × 137,724.08 - Step 4: Simplify right side
245,136.14x = 46,587,883,224.38 - Step 5: Solve for x
x = 46,587,883,224.38/245,136.14 - Step 6: Final answer
x = 190,049.02
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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.