Finding the Fourth Proportional to 438,046.23, 604,502.96 and 247,059.03
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Solution
The fourth proportional to 438,046.23, 604,502.96 and 247,059.03 is: 340,940.99
Step by Step Solution
- Step 1: Write the proportion equation
438,046.23 : 604,502.96 = 247,059.03 : x - Step 2: Convert to fraction form
438,046.23/604,502.96 = 247,059.03/x - Step 3: Cross multiply
438,046.23x = 604,502.96 × 247,059.03 - Step 4: Simplify right side
438,046.23x = 149,347,913,694.43 - Step 5: Solve for x
x = 149,347,913,694.43/438,046.23 - Step 6: Final answer
x = 340,940.99
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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.