Finding the Fourth Proportional to 171,544.92, 236,605.50 and 117,838.68
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Solution
The fourth proportional to 171,544.92, 236,605.50 and 117,838.68 is: 162,530.49
Step by Step Solution
- Step 1: Write the proportion equation
171,544.92 : 236,605.50 = 117,838.68 : x - Step 2: Convert to fraction form
171,544.92/236,605.50 = 117,838.68/x - Step 3: Cross multiply
171,544.92x = 236,605.50 × 117,838.68 - Step 4: Simplify right side
171,544.92x = 27,881,279,800.74 - Step 5: Solve for x
x = 27,881,279,800.74/171,544.92 - Step 6: Final answer
x = 162,530.49
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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.