Finding the Fourth Proportional to 251,451.12, 347,166.36 and 156,097.92
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Solution
The fourth proportional to 251,451.12, 347,166.36 and 156,097.92 is: 215,516.82
Step by Step Solution
- Step 1: Write the proportion equation
251,451.12 : 347,166.36 = 156,097.92 : x - Step 2: Convert to fraction form
251,451.12/347,166.36 = 156,097.92/x - Step 3: Cross multiply
251,451.12x = 347,166.36 × 156,097.92 - Step 4: Simplify right side
251,451.12x = 54,191,946,689.97 - Step 5: Solve for x
x = 54,191,946,689.97/251,451.12 - Step 6: Final answer
x = 215,516.82
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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.