Finding the Fourth Proportional to 102,143.19, 153,214.81 and 27,263.62
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Solution
The fourth proportional to 102,143.19, 153,214.81 and 27,263.62 is: 40,895.44
Step by Step Solution
- Step 1: Write the proportion equation
102,143.19 : 153,214.81 = 27,263.62 : x - Step 2: Convert to fraction form
102,143.19/153,214.81 = 27,263.62/x - Step 3: Cross multiply
102,143.19x = 153,214.81 × 27,263.62 - Step 4: Simplify right side
102,143.19x = 4,177,190,481.57 - Step 5: Solve for x
x = 4,177,190,481.57/102,143.19 - Step 6: Final answer
x = 40,895.44
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1.5x scale
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.