Finding the Fourth Proportional to 405,711.44, 559,838.66 and 224,394.56
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Solution
The fourth proportional to 405,711.44, 559,838.66 and 224,394.56 is: 309,640.64
Step by Step Solution
- Step 1: Write the proportion equation
405,711.44 : 559,838.66 = 224,394.56 : x - Step 2: Convert to fraction form
405,711.44/559,838.66 = 224,394.56/x - Step 3: Cross multiply
405,711.44x = 559,838.66 × 224,394.56 - Step 4: Simplify right side
405,711.44x = 125,624,749,781.69 - Step 5: Solve for x
x = 125,624,749,781.69/405,711.44 - Step 6: Final answer
x = 309,640.64
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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.