Finding the Fourth Proportional to 280,629.41, 421,110.18 and 103,260.96
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Solution
The fourth proportional to 280,629.41, 421,110.18 and 103,260.96 is: 154,952.55
Step by Step Solution
- Step 1: Write the proportion equation
280,629.41 : 421,110.18 = 103,260.96 : x - Step 2: Convert to fraction form
280,629.41/421,110.18 = 103,260.96/x - Step 3: Cross multiply
280,629.41x = 421,110.18 × 103,260.96 - Step 4: Simplify right side
280,629.41x = 43,484,241,452.57 - Step 5: Solve for x
x = 43,484,241,452.57/280,629.41 - Step 6: Final answer
x = 154,952.55
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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.