Finding the Fourth Proportional to 478,135.88, 659,827.50 and 263,275.42
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Solution
The fourth proportional to 478,135.88, 659,827.50 and 263,275.42 is: 363,320.07
Step by Step Solution
- Step 1: Write the proportion equation
478,135.88 : 659,827.50 = 263,275.42 : x - Step 2: Convert to fraction form
478,135.88/659,827.50 = 263,275.42/x - Step 3: Cross multiply
478,135.88x = 659,827.50 × 263,275.42 - Step 4: Simplify right side
478,135.88x = 173,716,362,190.05 - Step 5: Solve for x
x = 173,716,362,190.05/478,135.88 - Step 6: Final answer
x = 363,320.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.