Finding the Fourth Proportional to 456,382.26, 684,281.79 and 219,253.14
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Solution
The fourth proportional to 456,382.26, 684,281.79 and 219,253.14 is: 328,739.62
Step by Step Solution
- Step 1: Write the proportion equation
456,382.26 : 684,281.79 = 219,253.14 : x - Step 2: Convert to fraction form
456,382.26/684,281.79 = 219,253.14/x - Step 3: Cross multiply
456,382.26x = 684,281.79 × 219,253.14 - Step 4: Simplify right side
456,382.26x = 150,030,931,102.32 - Step 5: Solve for x
x = 150,030,931,102.32/456,382.26 - Step 6: Final answer
x = 328,739.62
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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.