Finding the Fourth Proportional to 687,674.03, 1,031,664.12 and 226,072.87
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Solution
The fourth proportional to 687,674.03, 1,031,664.12 and 226,072.87 is: 339,159.63
Step by Step Solution
- Step 1: Write the proportion equation
687,674.03 : 1,031,664.12 = 226,072.87 : x - Step 2: Convert to fraction form
687,674.03/1,031,664.12 = 226,072.87/x - Step 3: Cross multiply
687,674.03x = 1,031,664.12 × 226,072.87 - Step 4: Simplify right side
687,674.03x = 233,231,268,484.42 - Step 5: Solve for x
x = 233,231,268,484.42/687,674.03 - Step 6: Final answer
x = 339,159.63
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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.