Finding the Fourth Proportional to 666,586.14, 1,000,026.09 and 193,291.26
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Solution
The fourth proportional to 666,586.14, 1,000,026.09 and 193,291.26 is: 289,979.48
Step by Step Solution
- Step 1: Write the proportion equation
666,586.14 : 1,000,026.09 = 193,291.26 : x - Step 2: Convert to fraction form
666,586.14/1,000,026.09 = 193,291.26/x - Step 3: Cross multiply
666,586.14x = 1,000,026.09 × 193,291.26 - Step 4: Simplify right side
666,586.14x = 193,296,302,968.97 - Step 5: Solve for x
x = 193,296,302,968.97/666,586.14 - Step 6: Final answer
x = 289,979.48
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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.