Finding the Fourth Proportional to 492,678.64, 679,896.96 and 266,324.12
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Solution
The fourth proportional to 492,678.64, 679,896.96 and 266,324.12 is: 367,527.52
Step by Step Solution
- Step 1: Write the proportion equation
492,678.64 : 679,896.96 = 266,324.12 : x - Step 2: Convert to fraction form
492,678.64/679,896.96 = 266,324.12/x - Step 3: Cross multiply
492,678.64x = 679,896.96 × 266,324.12 - Step 4: Simplify right side
492,678.64x = 181,072,959,562.68 - Step 5: Solve for x
x = 181,072,959,562.68/492,678.64 - Step 6: Final answer
x = 367,527.52
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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.