Finding the Fourth Proportional to 103,199.43, 154,813.49 and 36,623.74
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Solution
The fourth proportional to 103,199.43, 154,813.49 and 36,623.74 is: 54,940.70
Step by Step Solution
- Step 1: Write the proportion equation
103,199.43 : 154,813.49 = 36,623.74 : x - Step 2: Convert to fraction form
103,199.43/154,813.49 = 36,623.74/x - Step 3: Cross multiply
103,199.43x = 154,813.49 × 36,623.74 - Step 4: Simplify right side
103,199.43x = 5,669,848,823.13 - Step 5: Solve for x
x = 5,669,848,823.13/103,199.43 - Step 6: Final answer
x = 54,940.70
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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.