Finding the Fourth Proportional to 279,590.62, 385,845.98 and 158,743.15
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Solution
The fourth proportional to 279,590.62, 385,845.98 and 158,743.15 is: 219,071.75
Step by Step Solution
- Step 1: Write the proportion equation
279,590.62 : 385,845.98 = 158,743.15 : x - Step 2: Convert to fraction form
279,590.62/385,845.98 = 158,743.15/x - Step 3: Cross multiply
279,590.62x = 385,845.98 × 158,743.15 - Step 4: Simplify right side
279,590.62x = 61,250,405,486.32 - Step 5: Solve for x
x = 61,250,405,486.32/279,590.62 - Step 6: Final answer
x = 219,071.75
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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.