Finding the Fourth Proportional to 215,994.88, 298,068.76 and 119,207.84
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Solution
The fourth proportional to 215,994.88, 298,068.76 and 119,207.84 is: 164,504.52
Step by Step Solution
- Step 1: Write the proportion equation
215,994.88 : 298,068.76 = 119,207.84 : x - Step 2: Convert to fraction form
215,994.88/298,068.76 = 119,207.84/x - Step 3: Cross multiply
215,994.88x = 298,068.76 × 119,207.84 - Step 4: Simplify right side
215,994.88x = 35,532,133,051.08 - Step 5: Solve for x
x = 35,532,133,051.08/215,994.88 - Step 6: Final answer
x = 164,504.52
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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.