Finding the Fourth Proportional to 94,382.16, 141,622.42 and 38,263.74
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Solution
The fourth proportional to 94,382.16, 141,622.42 and 38,263.74 is: 57,415.55
Step by Step Solution
- Step 1: Write the proportion equation
94,382.16 : 141,622.42 = 38,263.74 : x - Step 2: Convert to fraction form
94,382.16/141,622.42 = 38,263.74/x - Step 3: Cross multiply
94,382.16x = 141,622.42 × 38,263.74 - Step 4: Simplify right side
94,382.16x = 5,419,003,457.05 - Step 5: Solve for x
x = 5,419,003,457.05/94,382.16 - Step 6: Final answer
x = 57,415.55
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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.