Finding the Fourth Proportional to 456,193.80, 684,290.70 and 203,473.80
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Solution
The fourth proportional to 456,193.80, 684,290.70 and 203,473.80 is: 305,210.70
Step by Step Solution
- Step 1: Write the proportion equation
456,193.80 : 684,290.70 = 203,473.80 : x - Step 2: Convert to fraction form
456,193.80/684,290.70 = 203,473.80/x - Step 3: Cross multiply
456,193.80x = 684,290.70 × 203,473.80 - Step 4: Simplify right side
456,193.80x = 139,235,229,033.66 - Step 5: Solve for x
x = 139,235,229,033.66/456,193.80 - Step 6: Final answer
x = 305,210.70
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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.