Finding the Fourth Proportional to 162,893.16, 224,790.39 and 91,274.58
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Solution
The fourth proportional to 162,893.16, 224,790.39 and 91,274.58 is: 125,957.70
Step by Step Solution
- Step 1: Write the proportion equation
162,893.16 : 224,790.39 = 91,274.58 : x - Step 2: Convert to fraction form
162,893.16/224,790.39 = 91,274.58/x - Step 3: Cross multiply
162,893.16x = 224,790.39 × 91,274.58 - Step 4: Simplify right side
162,893.16x = 20,517,648,435.29 - Step 5: Solve for x
x = 20,517,648,435.29/162,893.16 - Step 6: Final answer
x = 125,957.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.