Finding the Fourth Proportional to 245,035.80, 367,553.70 and 120,619.80
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Solution
The fourth proportional to 245,035.80, 367,553.70 and 120,619.80 is: 180,929.70
Step by Step Solution
- Step 1: Write the proportion equation
245,035.80 : 367,553.70 = 120,619.80 : x - Step 2: Convert to fraction form
245,035.80/367,553.70 = 120,619.80/x - Step 3: Cross multiply
245,035.80x = 367,553.70 × 120,619.80 - Step 4: Simplify right side
245,035.80x = 44,334,253,783.26 - Step 5: Solve for x
x = 44,334,253,783.26/245,035.80 - Step 6: Final answer
x = 180,929.70
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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.