Finding the Fourth Proportional to 178,972.63, 268,460.56 and 54,313.63
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Solution
The fourth proportional to 178,972.63, 268,460.56 and 54,313.63 is: 81,470.94
Step by Step Solution
- Step 1: Write the proportion equation
178,972.63 : 268,460.56 = 54,313.63 : x - Step 2: Convert to fraction form
178,972.63/268,460.56 = 54,313.63/x - Step 3: Cross multiply
178,972.63x = 268,460.56 × 54,313.63 - Step 4: Simplify right side
178,972.63x = 14,581,067,525.43 - Step 5: Solve for x
x = 14,581,067,525.43/178,972.63 - Step 6: Final answer
x = 81,470.94
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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.