Finding the Fourth Proportional to 672,088.16, 1,008,151.68 and 251,283.68
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Solution
The fourth proportional to 672,088.16, 1,008,151.68 and 251,283.68 is: 376,932.79
Step by Step Solution
- Step 1: Write the proportion equation
672,088.16 : 1,008,151.68 = 251,283.68 : x - Step 2: Convert to fraction form
672,088.16/1,008,151.68 = 251,283.68/x - Step 3: Cross multiply
672,088.16x = 1,008,151.68 × 251,283.68 - Step 4: Simplify right side
672,088.16x = 253,332,064,148.58 - Step 5: Solve for x
x = 253,332,064,148.58/672,088.16 - Step 6: Final answer
x = 376,932.79
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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.