Finding the Fourth Proportional to 387,495.36, 581,227.11 and 134,833.68
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Solution
The fourth proportional to 387,495.36, 581,227.11 and 134,833.68 is: 202,244.98
Step by Step Solution
- Step 1: Write the proportion equation
387,495.36 : 581,227.11 = 134,833.68 : x - Step 2: Convert to fraction form
387,495.36/581,227.11 = 134,833.68/x - Step 3: Cross multiply
387,495.36x = 581,227.11 × 134,833.68 - Step 4: Simplify right side
387,495.36x = 78,368,990,157.06 - Step 5: Solve for x
x = 78,368,990,157.06/387,495.36 - Step 6: Final answer
x = 202,244.98
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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.