Finding the Fourth Proportional to 471,857.10, 707,883.93 and 156,338.70
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Solution
The fourth proportional to 471,857.10, 707,883.93 and 156,338.70 is: 234,540.61
Step by Step Solution
- Step 1: Write the proportion equation
471,857.10 : 707,883.93 = 156,338.70 : x - Step 2: Convert to fraction form
471,857.10/707,883.93 = 156,338.70/x - Step 3: Cross multiply
471,857.10x = 707,883.93 × 156,338.70 - Step 4: Simplify right side
471,857.10x = 110,669,653,367.09 - Step 5: Solve for x
x = 110,669,653,367.09/471,857.10 - Step 6: Final answer
x = 234,540.61
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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.