Finding the Fourth Proportional to 102,991.08, 154,551.60 and 43,826.70
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Solution
The fourth proportional to 102,991.08, 154,551.60 and 43,826.70 is: 65,767.70
Step by Step Solution
- Step 1: Write the proportion equation
102,991.08 : 154,551.60 = 43,826.70 : x - Step 2: Convert to fraction form
102,991.08/154,551.60 = 43,826.70/x - Step 3: Cross multiply
102,991.08x = 154,551.60 × 43,826.70 - Step 4: Simplify right side
102,991.08x = 6,773,486,607.72 - Step 5: Solve for x
x = 6,773,486,607.72/102,991.08 - Step 6: Final answer
x = 65,767.70
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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.