Finding the Fourth Proportional to 857,458.41, 1,286,318.84 and 226,421.43
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Solution
The fourth proportional to 857,458.41, 1,286,318.84 and 226,421.43 is: 339,666.80
Step by Step Solution
- Step 1: Write the proportion equation
857,458.41 : 1,286,318.84 = 226,421.43 : x - Step 2: Convert to fraction form
857,458.41/1,286,318.84 = 226,421.43/x - Step 3: Cross multiply
857,458.41x = 1,286,318.84 × 226,421.43 - Step 4: Simplify right side
857,458.41x = 291,250,150,056.63 - Step 5: Solve for x
x = 291,250,150,056.63/857,458.41 - Step 6: Final answer
x = 339,666.80
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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.