Finding the Fourth Proportional to 387,286.27, 581,027.96 and 227,497.31
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Solution
The fourth proportional to 387,286.27, 581,027.96 and 227,497.31 is: 341,303.86
Step by Step Solution
- Step 1: Write the proportion equation
387,286.27 : 581,027.96 = 227,497.31 : x - Step 2: Convert to fraction form
387,286.27/581,027.96 = 227,497.31/x - Step 3: Cross multiply
387,286.27x = 581,027.96 × 227,497.31 - Step 4: Simplify right side
387,286.27x = 132,182,297,934.79 - Step 5: Solve for x
x = 132,182,297,934.79/387,286.27 - Step 6: Final answer
x = 341,303.86
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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.