Finding the Fourth Proportional to 276,110.99, 414,210.32 and 89,078.75
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Solution
The fourth proportional to 276,110.99, 414,210.32 and 89,078.75 is: 133,632.27
Step by Step Solution
- Step 1: Write the proportion equation
276,110.99 : 414,210.32 = 89,078.75 : x - Step 2: Convert to fraction form
276,110.99/414,210.32 = 89,078.75/x - Step 3: Cross multiply
276,110.99x = 414,210.32 × 89,078.75 - Step 4: Simplify right side
276,110.99x = 36,897,337,097.31 - Step 5: Solve for x
x = 36,897,337,097.31/276,110.99 - Step 6: Final answer
x = 133,632.27
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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.