Finding the Fourth Proportional to 364,541.20, 546,811.80 and 343,874.05
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Solution
The fourth proportional to 364,541.20, 546,811.80 and 343,874.05 is: 515,811.08
Step by Step Solution
- Step 1: Write the proportion equation
364,541.20 : 546,811.80 = 343,874.05 : x - Step 2: Convert to fraction form
364,541.20/546,811.80 = 343,874.05/x - Step 3: Cross multiply
364,541.20x = 546,811.80 × 343,874.05 - Step 4: Simplify right side
364,541.20x = 188,034,388,253.79 - Step 5: Solve for x
x = 188,034,388,253.79/364,541.20 - Step 6: Final answer
x = 515,811.08
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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.