Finding the Fourth Proportional to 405,458.27, 559,509.83 and 224,159.62
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Solution
The fourth proportional to 405,458.27, 559,509.83 and 224,159.62 is: 309,327.79
Step by Step Solution
- Step 1: Write the proportion equation
405,458.27 : 559,509.83 = 224,159.62 : x - Step 2: Convert to fraction form
405,458.27/559,509.83 = 224,159.62/x - Step 3: Cross multiply
405,458.27x = 559,509.83 × 224,159.62 - Step 4: Simplify right side
405,458.27x = 125,419,510,249.17 - Step 5: Solve for x
x = 125,419,510,249.17/405,458.27 - Step 6: Final answer
x = 309,327.79
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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.