Finding the Fourth Proportional to 331,566.82, 457,562.21 and 180,663.82
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Solution
The fourth proportional to 331,566.82, 457,562.21 and 180,663.82 is: 249,316.07
Step by Step Solution
- Step 1: Write the proportion equation
331,566.82 : 457,562.21 = 180,663.82 : x - Step 2: Convert to fraction form
331,566.82/457,562.21 = 180,663.82/x - Step 3: Cross multiply
331,566.82x = 457,562.21 × 180,663.82 - Step 4: Simplify right side
331,566.82x = 82,664,934,699.02 - Step 5: Solve for x
x = 82,664,934,699.02/331,566.82 - Step 6: Final answer
x = 249,316.07
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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.