Finding the Fourth Proportional to 387,974.34, 582,027.12 and 177,628.68
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Solution
The fourth proportional to 387,974.34, 582,027.12 and 177,628.68 is: 266,473.06
Step by Step Solution
- Step 1: Write the proportion equation
387,974.34 : 582,027.12 = 177,628.68 : x - Step 2: Convert to fraction form
387,974.34/582,027.12 = 177,628.68/x - Step 3: Cross multiply
387,974.34x = 582,027.12 × 177,628.68 - Step 4: Simplify right side
387,974.34x = 103,384,709,049.80 - Step 5: Solve for x
x = 103,384,709,049.80/387,974.34 - Step 6: Final answer
x = 266,473.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.