Finding the Fourth Proportional to 103,260.63, 154,894.76 and 28,386.63
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Solution
The fourth proportional to 103,260.63, 154,894.76 and 28,386.63 is: 42,580.99
Step by Step Solution
- Step 1: Write the proportion equation
103,260.63 : 154,894.76 = 28,386.63 : x - Step 2: Convert to fraction form
103,260.63/154,894.76 = 28,386.63/x - Step 3: Cross multiply
103,260.63x = 154,894.76 × 28,386.63 - Step 4: Simplify right side
103,260.63x = 4,396,940,099.13 - Step 5: Solve for x
x = 4,396,940,099.13/103,260.63 - Step 6: Final answer
x = 42,580.99
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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.