Finding the Fourth Proportional to 386,382.08, 579,523.84 and 149,562.72
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Solution
The fourth proportional to 386,382.08, 579,523.84 and 149,562.72 is: 224,325.00
Step by Step Solution
- Step 1: Write the proportion equation
386,382.08 : 579,523.84 = 149,562.72 : x - Step 2: Convert to fraction form
386,382.08/579,523.84 = 149,562.72/x - Step 3: Cross multiply
386,382.08x = 579,523.84 × 149,562.72 - Step 4: Simplify right side
386,382.08x = 86,675,161,815.24 - Step 5: Solve for x
x = 86,675,161,815.24/386,382.08 - Step 6: Final answer
x = 224,325.00
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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.