Finding the Fourth Proportional to 171,625.30, 257,437.95 and 108,639.70
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Solution
The fourth proportional to 171,625.30, 257,437.95 and 108,639.70 is: 162,959.55
Step by Step Solution
- Step 1: Write the proportion equation
171,625.30 : 257,437.95 = 108,639.70 : x - Step 2: Convert to fraction form
171,625.30/257,437.95 = 108,639.70/x - Step 3: Cross multiply
171,625.30x = 257,437.95 × 108,639.70 - Step 4: Simplify right side
171,625.30x = 27,967,981,656.62 - Step 5: Solve for x
x = 27,967,981,656.62/171,625.30 - Step 6: Final answer
x = 162,959.55
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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.