Finding the Fourth Proportional to 103,199.68, 154,813.86 and 36,623.99
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Solution
The fourth proportional to 103,199.68, 154,813.86 and 36,623.99 is: 54,941.08
Step by Step Solution
- Step 1: Write the proportion equation
103,199.68 : 154,813.86 = 36,623.99 : x - Step 2: Convert to fraction form
103,199.68/154,813.86 = 36,623.99/x - Step 3: Cross multiply
103,199.68x = 154,813.86 × 36,623.99 - Step 4: Simplify right side
103,199.68x = 5,669,901,647.54 - Step 5: Solve for x
x = 5,669,901,647.54/103,199.68 - Step 6: Final answer
x = 54,941.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.