Finding the Fourth Proportional to 234,663.73, 351,421.49 and 211,918.94
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Solution
The fourth proportional to 234,663.73, 351,421.49 and 211,918.94 is: 317,359.95
Step by Step Solution
- Step 1: Write the proportion equation
234,663.73 : 351,421.49 = 211,918.94 : x - Step 2: Convert to fraction form
234,663.73/351,421.49 = 211,918.94/x - Step 3: Cross multiply
234,663.73x = 351,421.49 × 211,918.94 - Step 4: Simplify right side
234,663.73x = 74,472,869,654.02 - Step 5: Solve for x
x = 74,472,869,654.02/234,663.73 - Step 6: Final answer
x = 317,359.95
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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.