Finding the Fourth Proportional to 404,887.87, 558,813.63 and 235,220.41
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Solution
The fourth proportional to 404,887.87, 558,813.63 and 235,220.41 is: 324,643.89
Step by Step Solution
- Step 1: Write the proportion equation
404,887.87 : 558,813.63 = 235,220.41 : x - Step 2: Convert to fraction form
404,887.87/558,813.63 = 235,220.41/x - Step 3: Cross multiply
404,887.87x = 558,813.63 × 235,220.41 - Step 4: Simplify right side
404,887.87x = 131,444,371,162.19 - Step 5: Solve for x
x = 131,444,371,162.19/404,887.87 - Step 6: Final answer
x = 324,643.89
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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.