Finding the Fourth Proportional to 134,894.20, 202,341.30 and 71,908.60
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Solution
The fourth proportional to 134,894.20, 202,341.30 and 71,908.60 is: 107,862.90
Step by Step Solution
- Step 1: Write the proportion equation
134,894.20 : 202,341.30 = 71,908.60 : x - Step 2: Convert to fraction form
134,894.20/202,341.30 = 71,908.60/x - Step 3: Cross multiply
134,894.20x = 202,341.30 × 71,908.60 - Step 4: Simplify right side
134,894.20x = 14,550,079,605.18 - Step 5: Solve for x
x = 14,550,079,605.18/134,894.20 - Step 6: Final answer
x = 107,862.90
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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.