Finding the Fourth Proportional to 156,361.84, 234,542.76 and 38,033.26
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Solution
The fourth proportional to 156,361.84, 234,542.76 and 38,033.26 is: 57,049.88
Step by Step Solution
- Step 1: Write the proportion equation
156,361.84 : 234,542.76 = 38,033.26 : x - Step 2: Convert to fraction form
156,361.84/234,542.76 = 38,033.26/x - Step 3: Cross multiply
156,361.84x = 234,542.76 × 38,033.26 - Step 4: Simplify right side
156,361.84x = 8,920,424,409.32 - Step 5: Solve for x
x = 8,920,424,409.32/156,361.84 - Step 6: Final answer
x = 57,049.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.