Finding the Fourth Proportional to 477,174.58, 715,743.17 and 161,631.47
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Solution
The fourth proportional to 477,174.58, 715,743.17 and 161,631.47 is: 242,440.88
Step by Step Solution
- Step 1: Write the proportion equation
477,174.58 : 715,743.17 = 161,631.47 : x - Step 2: Convert to fraction form
477,174.58/715,743.17 = 161,631.47/x - Step 3: Cross multiply
477,174.58x = 715,743.17 × 161,631.47 - Step 4: Simplify right side
477,174.58x = 115,686,622,296.88 - Step 5: Solve for x
x = 115,686,622,296.88/477,174.58 - Step 6: Final answer
x = 242,440.88
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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.