Finding the Fourth Proportional to 153,894.92, 212,378.58 and 96,536.68
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Solution
The fourth proportional to 153,894.92, 212,378.58 and 96,536.68 is: 133,222.87
Step by Step Solution
- Step 1: Write the proportion equation
153,894.92 : 212,378.58 = 96,536.68 : x - Step 2: Convert to fraction form
153,894.92/212,378.58 = 96,536.68/x - Step 3: Cross multiply
153,894.92x = 212,378.58 × 96,536.68 - Step 4: Simplify right side
153,894.92x = 20,502,322,485.37 - Step 5: Solve for x
x = 20,502,322,485.37/153,894.92 - Step 6: Final answer
x = 133,222.87
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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.