Finding the Fourth Proportional to 547,129.58, 821,079.81 and 192,171.26
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Solution
The fourth proportional to 547,129.58, 821,079.81 and 192,171.26 is: 288,392.27
Step by Step Solution
- Step 1: Write the proportion equation
547,129.58 : 821,079.81 = 192,171.26 : x - Step 2: Convert to fraction form
547,129.58/821,079.81 = 192,171.26/x - Step 3: Cross multiply
547,129.58x = 821,079.81 × 192,171.26 - Step 4: Simplify right side
547,129.58x = 157,787,941,648.26 - Step 5: Solve for x
x = 157,787,941,648.26/547,129.58 - Step 6: Final answer
x = 288,392.27
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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.