Finding the Fourth Proportional to 214,063.76, 295,328.68 and 138,653.84
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Solution
The fourth proportional to 214,063.76, 295,328.68 and 138,653.84 is: 191,290.93
Step by Step Solution
- Step 1: Write the proportion equation
214,063.76 : 295,328.68 = 138,653.84 : x - Step 2: Convert to fraction form
214,063.76/295,328.68 = 138,653.84/x - Step 3: Cross multiply
214,063.76x = 295,328.68 × 138,653.84 - Step 4: Simplify right side
214,063.76x = 40,948,455,544.13 - Step 5: Solve for x
x = 40,948,455,544.13/214,063.76 - Step 6: Final answer
x = 191,290.93
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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.