Finding the Fourth Proportional to 331,289.67, 456,633.84 and 234,368.31
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Solution
The fourth proportional to 331,289.67, 456,633.84 and 234,368.31 is: 323,042.07
Step by Step Solution
- Step 1: Write the proportion equation
331,289.67 : 456,633.84 = 234,368.31 : x - Step 2: Convert to fraction form
331,289.67/456,633.84 = 234,368.31/x - Step 3: Cross multiply
331,289.67x = 456,633.84 × 234,368.31 - Step 4: Simplify right side
331,289.67x = 107,020,501,369.61 - Step 5: Solve for x
x = 107,020,501,369.61/331,289.67 - Step 6: Final answer
x = 323,042.07
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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.