Finding the Fourth Proportional to 122,585.99, 183,536.39 and 66,224.17
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Solution
The fourth proportional to 122,585.99, 183,536.39 and 66,224.17 is: 99,151.17
Step by Step Solution
- Step 1: Write the proportion equation
122,585.99 : 183,536.39 = 66,224.17 : x - Step 2: Convert to fraction form
122,585.99/183,536.39 = 66,224.17/x - Step 3: Cross multiply
122,585.99x = 183,536.39 × 66,224.17 - Step 4: Simplify right side
122,585.99x = 12,154,544,302.58 - Step 5: Solve for x
x = 12,154,544,302.58/122,585.99 - Step 6: Final answer
x = 99,151.17
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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.