Finding the Fourth Proportional to 416,580.37, 574,879.76 and 225,593.71
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Solution
The fourth proportional to 416,580.37, 574,879.76 and 225,593.71 is: 311,318.70
Step by Step Solution
- Step 1: Write the proportion equation
416,580.37 : 574,879.76 = 225,593.71 : x - Step 2: Convert to fraction form
416,580.37/574,879.76 = 225,593.71/x - Step 3: Cross multiply
416,580.37x = 574,879.76 × 225,593.71 - Step 4: Simplify right side
416,580.37x = 129,689,257,862.31 - Step 5: Solve for x
x = 129,689,257,862.31/416,580.37 - Step 6: Final answer
x = 311,318.70
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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.