Finding the Fourth Proportional to 171,835.42, 237,138.32 and 99,236.99
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Solution
The fourth proportional to 171,835.42, 237,138.32 and 99,236.99 is: 136,950.19
Step by Step Solution
- Step 1: Write the proportion equation
171,835.42 : 237,138.32 = 99,236.99 : x - Step 2: Convert to fraction form
171,835.42/237,138.32 = 99,236.99/x - Step 3: Cross multiply
171,835.42x = 237,138.32 × 99,236.99 - Step 4: Simplify right side
171,835.42x = 23,532,893,187.12 - Step 5: Solve for x
x = 23,532,893,187.12/171,835.42 - Step 6: Final answer
x = 136,950.19
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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.