Finding the Fourth Proportional to 170,643.24, 235,490.22 and 94,161.15
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Solution
The fourth proportional to 170,643.24, 235,490.22 and 94,161.15 is: 129,943.79
Step by Step Solution
- Step 1: Write the proportion equation
170,643.24 : 235,490.22 = 94,161.15 : x - Step 2: Convert to fraction form
170,643.24/235,490.22 = 94,161.15/x - Step 3: Cross multiply
170,643.24x = 235,490.22 × 94,161.15 - Step 4: Simplify right side
170,643.24x = 22,174,029,928.95 - Step 5: Solve for x
x = 22,174,029,928.95/170,643.24 - Step 6: Final answer
x = 129,943.79
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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.