Finding the Fourth Proportional to 276,074.62, 414,117.11 and 86,530.80
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Solution
The fourth proportional to 276,074.62, 414,117.11 and 86,530.80 is: 129,797.82
Step by Step Solution
- Step 1: Write the proportion equation
276,074.62 : 414,117.11 = 86,530.80 : x - Step 2: Convert to fraction form
276,074.62/414,117.11 = 86,530.80/x - Step 3: Cross multiply
276,074.62x = 414,117.11 × 86,530.80 - Step 4: Simplify right side
276,074.62x = 35,833,884,821.99 - Step 5: Solve for x
x = 35,833,884,821.99/276,074.62 - Step 6: Final answer
x = 129,797.82
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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.