Finding the Fourth Proportional to 218,974.62, 302,184.68 and 118,372.62
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Solution
The fourth proportional to 218,974.62, 302,184.68 and 118,372.62 is: 163,354.06
Step by Step Solution
- Step 1: Write the proportion equation
218,974.62 : 302,184.68 = 118,372.62 : x - Step 2: Convert to fraction form
218,974.62/302,184.68 = 118,372.62/x - Step 3: Cross multiply
218,974.62x = 302,184.68 × 118,372.62 - Step 4: Simplify right side
218,974.62x = 35,770,392,295.46 - Step 5: Solve for x
x = 35,770,392,295.46/218,974.62 - Step 6: Final answer
x = 163,354.06
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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.