Finding the Fourth Proportional to 171,528.75, 236,709.68 and 104,460.75
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Solution
The fourth proportional to 171,528.75, 236,709.68 and 104,460.75 is: 144,155.84
Step by Step Solution
- Step 1: Write the proportion equation
171,528.75 : 236,709.68 = 104,460.75 : x - Step 2: Convert to fraction form
171,528.75/236,709.68 = 104,460.75/x - Step 3: Cross multiply
171,528.75x = 236,709.68 × 104,460.75 - Step 4: Simplify right side
171,528.75x = 24,726,870,705.06 - Step 5: Solve for x
x = 24,726,870,705.06/171,528.75 - Step 6: Final answer
x = 144,155.84
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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.