Finding the Fourth Proportional to 631,504.24, 871,488.42 and 345,042.12
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Solution
The fourth proportional to 631,504.24, 871,488.42 and 345,042.12 is: 476,164.99
Step by Step Solution
- Step 1: Write the proportion equation
631,504.24 : 871,488.42 = 345,042.12 : x - Step 2: Convert to fraction form
631,504.24/871,488.42 = 345,042.12/x - Step 3: Cross multiply
631,504.24x = 871,488.42 × 345,042.12 - Step 4: Simplify right side
631,504.24x = 300,700,211,992.25 - Step 5: Solve for x
x = 300,700,211,992.25/631,504.24 - Step 6: Final answer
x = 476,164.99
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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.