Finding the Fourth Proportional to 105,742.24, 158,622.68 and 29,841.46
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Solution
The fourth proportional to 105,742.24, 158,622.68 and 29,841.46 is: 44,764.82
Step by Step Solution
- Step 1: Write the proportion equation
105,742.24 : 158,622.68 = 29,841.46 : x - Step 2: Convert to fraction form
105,742.24/158,622.68 = 29,841.46/x - Step 3: Cross multiply
105,742.24x = 158,622.68 × 29,841.46 - Step 4: Simplify right side
105,742.24x = 4,733,532,360.31 - Step 5: Solve for x
x = 4,733,532,360.31/105,742.24 - Step 6: Final answer
x = 44,764.82
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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.