Finding the Fourth Proportional to 98,819.22, 136,370.36 and 53,497.19
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Solution
The fourth proportional to 98,819.22, 136,370.36 and 53,497.19 is: 73,826.02
Step by Step Solution
- Step 1: Write the proportion equation
98,819.22 : 136,370.36 = 53,497.19 : x - Step 2: Convert to fraction form
98,819.22/136,370.36 = 53,497.19/x - Step 3: Cross multiply
98,819.22x = 136,370.36 × 53,497.19 - Step 4: Simplify right side
98,819.22x = 7,295,430,109.95 - Step 5: Solve for x
x = 7,295,430,109.95/98,819.22 - Step 6: Final answer
x = 73,826.02
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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.