Finding the Fourth Proportional to 171,473.36, 236,695.34 and 139,586.88
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Solution
The fourth proportional to 171,473.36, 236,695.34 and 139,586.88 is: 192,680.45
Step by Step Solution
- Step 1: Write the proportion equation
171,473.36 : 236,695.34 = 139,586.88 : x - Step 2: Convert to fraction form
171,473.36/236,695.34 = 139,586.88/x - Step 3: Cross multiply
171,473.36x = 236,695.34 × 139,586.88 - Step 4: Simplify right side
171,473.36x = 33,039,564,021.14 - Step 5: Solve for x
x = 33,039,564,021.14/171,473.36 - Step 6: Final answer
x = 192,680.45
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1.5x scale
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.