Finding the Fourth Proportional to 171,326.68, 236,455.68 and 98,715.44
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Solution
The fourth proportional to 171,326.68, 236,455.68 and 98,715.44 is: 136,241.63
Step by Step Solution
- Step 1: Write the proportion equation
171,326.68 : 236,455.68 = 98,715.44 : x - Step 2: Convert to fraction form
171,326.68/236,455.68 = 98,715.44/x - Step 3: Cross multiply
171,326.68x = 236,455.68 × 98,715.44 - Step 4: Simplify right side
171,326.68x = 23,341,826,491.70 - Step 5: Solve for x
x = 23,341,826,491.70/171,326.68 - Step 6: Final answer
x = 136,241.63
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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.