Finding the Fourth Proportional to 419,895.44, 629,823.96 and 135,599.12
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Solution
The fourth proportional to 419,895.44, 629,823.96 and 135,599.12 is: 203,392.48
Step by Step Solution
- Step 1: Write the proportion equation
419,895.44 : 629,823.96 = 135,599.12 : x - Step 2: Convert to fraction form
419,895.44/629,823.96 = 135,599.12/x - Step 3: Cross multiply
419,895.44x = 629,823.96 × 135,599.12 - Step 4: Simplify right side
419,895.44x = 85,403,574,730.92 - Step 5: Solve for x
x = 85,403,574,730.92/419,895.44 - Step 6: Final answer
x = 203,392.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.