Finding the Fourth Proportional to 276,079.40, 414,119.10 and 274,329.80
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Solution
The fourth proportional to 276,079.40, 414,119.10 and 274,329.80 is: 411,494.70
Step by Step Solution
- Step 1: Write the proportion equation
276,079.40 : 414,119.10 = 274,329.80 : x - Step 2: Convert to fraction form
276,079.40/414,119.10 = 274,329.80/x - Step 3: Cross multiply
276,079.40x = 414,119.10 × 274,329.80 - Step 4: Simplify right side
276,079.40x = 113,605,209,879.18 - Step 5: Solve for x
x = 113,605,209,879.18/276,079.40 - Step 6: Final answer
x = 411,494.70
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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.