Finding the Fourth Proportional to 133,244.24, 183,790.28 and 85,421.84
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Solution
The fourth proportional to 133,244.24, 183,790.28 and 85,421.84 is: 117,826.51
Step by Step Solution
- Step 1: Write the proportion equation
133,244.24 : 183,790.28 = 85,421.84 : x - Step 2: Convert to fraction form
133,244.24/183,790.28 = 85,421.84/x - Step 3: Cross multiply
133,244.24x = 183,790.28 × 85,421.84 - Step 4: Simplify right side
133,244.24x = 15,699,703,891.72 - Step 5: Solve for x
x = 15,699,703,891.72/133,244.24 - Step 6: Final answer
x = 117,826.51
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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.