Finding the Fourth Proportional to 157,437.36, 236,136.60 and 68,752.08
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Solution
The fourth proportional to 157,437.36, 236,136.60 and 68,752.08 is: 103,119.63
Step by Step Solution
- Step 1: Write the proportion equation
157,437.36 : 236,136.60 = 68,752.08 : x - Step 2: Convert to fraction form
157,437.36/236,136.60 = 68,752.08/x - Step 3: Cross multiply
157,437.36x = 236,136.60 × 68,752.08 - Step 4: Simplify right side
157,437.36x = 16,234,882,414.13 - Step 5: Solve for x
x = 16,234,882,414.13/157,437.36 - Step 6: Final answer
x = 103,119.63
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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.