Finding the Fourth Proportional to 540,218.18, 810,835.74 and 274,169.63
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Solution
The fourth proportional to 540,218.18, 810,835.74 and 274,169.63 is: 411,512.50
Step by Step Solution
- Step 1: Write the proportion equation
540,218.18 : 810,835.74 = 274,169.63 : x - Step 2: Convert to fraction form
540,218.18/810,835.74 = 274,169.63/x - Step 3: Cross multiply
540,218.18x = 810,835.74 × 274,169.63 - Step 4: Simplify right side
540,218.18x = 222,306,534,826.58 - Step 5: Solve for x
x = 222,306,534,826.58/540,218.18 - Step 6: Final answer
x = 411,512.50
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1.5x scale
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.