Finding the Fourth Proportional to 279,295.06, 418,609.68 and 194,596.60
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Solution
The fourth proportional to 279,295.06, 418,609.68 and 194,596.60 is: 291,662.95
Step by Step Solution
- Step 1: Write the proportion equation
279,295.06 : 418,609.68 = 194,596.60 : x - Step 2: Convert to fraction form
279,295.06/418,609.68 = 194,596.60/x - Step 3: Cross multiply
279,295.06x = 418,609.68 × 194,596.60 - Step 4: Simplify right side
279,295.06x = 81,460,020,455.09 - Step 5: Solve for x
x = 81,460,020,455.09/279,295.06 - Step 6: Final answer
x = 291,662.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.