Finding the Fourth Proportional to 308,539.02, 425,778.21 and 174,403.02
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Solution
The fourth proportional to 308,539.02, 425,778.21 and 174,403.02 is: 240,672.98
Step by Step Solution
- Step 1: Write the proportion equation
308,539.02 : 425,778.21 = 174,403.02 : x - Step 2: Convert to fraction form
308,539.02/425,778.21 = 174,403.02/x - Step 3: Cross multiply
308,539.02x = 425,778.21 × 174,403.02 - Step 4: Simplify right side
308,539.02x = 74,257,005,674.19 - Step 5: Solve for x
x = 74,257,005,674.19/308,539.02 - Step 6: Final answer
x = 240,672.98
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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.