Finding the Fourth Proportional to 178,634.24, 246,464.76 and 115,008.88
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Solution
The fourth proportional to 178,634.24, 246,464.76 and 115,008.88 is: 158,679.75
Step by Step Solution
- Step 1: Write the proportion equation
178,634.24 : 246,464.76 = 115,008.88 : x - Step 2: Convert to fraction form
178,634.24/246,464.76 = 115,008.88/x - Step 3: Cross multiply
178,634.24x = 246,464.76 × 115,008.88 - Step 4: Simplify right side
178,634.24x = 28,345,636,007.07 - Step 5: Solve for x
x = 28,345,636,007.07/178,634.24 - Step 6: Final answer
x = 158,679.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.