Finding the Fourth Proportional to 418,224.87, 577,142.01 and 227,239.63
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Solution
The fourth proportional to 418,224.87, 577,142.01 and 227,239.63 is: 313,586.17
Step by Step Solution
- Step 1: Write the proportion equation
418,224.87 : 577,142.01 = 227,239.63 : x - Step 2: Convert to fraction form
418,224.87/577,142.01 = 227,239.63/x - Step 3: Cross multiply
418,224.87x = 577,142.01 × 227,239.63 - Step 4: Simplify right side
418,224.87x = 131,149,535,367.00 - Step 5: Solve for x
x = 131,149,535,367.00/418,224.87 - Step 6: Final answer
x = 313,586.17
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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.