Finding the Fourth Proportional to 103,634.10, 155,566.35 and 64,235.70
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Solution
The fourth proportional to 103,634.10, 155,566.35 and 64,235.70 is: 96,424.95
Step by Step Solution
- Step 1: Write the proportion equation
103,634.10 : 155,566.35 = 64,235.70 : x - Step 2: Convert to fraction form
103,634.10/155,566.35 = 64,235.70/x - Step 3: Cross multiply
103,634.10x = 155,566.35 × 64,235.70 - Step 4: Simplify right side
103,634.10x = 9,992,913,388.70 - Step 5: Solve for x
x = 9,992,913,388.70/103,634.10 - Step 6: Final answer
x = 96,424.95
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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.