Finding the Fourth Proportional to 451,376.97, 622,919.30 and 257,816.53
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Solution
The fourth proportional to 451,376.97, 622,919.30 and 257,816.53 is: 355,797.71
Step by Step Solution
- Step 1: Write the proportion equation
451,376.97 : 622,919.30 = 257,816.53 : x - Step 2: Convert to fraction form
451,376.97/622,919.30 = 257,816.53/x - Step 3: Cross multiply
451,376.97x = 622,919.30 × 257,816.53 - Step 4: Simplify right side
451,376.97x = 160,598,891,885.60 - Step 5: Solve for x
x = 160,598,891,885.60/451,376.97 - Step 6: Final answer
x = 355,797.71
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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.