Finding the Fourth Proportional to 229,319.62, 316,446.96 and 127,338.88
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Solution
The fourth proportional to 229,319.62, 316,446.96 and 127,338.88 is: 175,719.82
Step by Step Solution
- Step 1: Write the proportion equation
229,319.62 : 316,446.96 = 127,338.88 : x - Step 2: Convert to fraction form
229,319.62/316,446.96 = 127,338.88/x - Step 3: Cross multiply
229,319.62x = 316,446.96 × 127,338.88 - Step 4: Simplify right side
229,319.62x = 40,296,001,465.80 - Step 5: Solve for x
x = 40,296,001,465.80/229,319.62 - Step 6: Final answer
x = 175,719.82
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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.