Finding the Fourth Proportional to 243,120.77, 335,503.63 and 134,225.99
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Solution
The fourth proportional to 243,120.77, 335,503.63 and 134,225.99 is: 185,230.19
Step by Step Solution
- Step 1: Write the proportion equation
243,120.77 : 335,503.63 = 134,225.99 : x - Step 2: Convert to fraction form
243,120.77/335,503.63 = 134,225.99/x - Step 3: Cross multiply
243,120.77x = 335,503.63 × 134,225.99 - Step 4: Simplify right side
243,120.77x = 45,033,306,633.75 - Step 5: Solve for x
x = 45,033,306,633.75/243,120.77 - Step 6: Final answer
x = 185,230.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.