Finding the Fourth Proportional to 465,136.40, 641,958.14 and 283,953.58
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Solution
The fourth proportional to 465,136.40, 641,958.14 and 283,953.58 is: 391,898.62
Step by Step Solution
- Step 1: Write the proportion equation
465,136.40 : 641,958.14 = 283,953.58 : x - Step 2: Convert to fraction form
465,136.40/641,958.14 = 283,953.58/x - Step 3: Cross multiply
465,136.40x = 641,958.14 × 283,953.58 - Step 4: Simplify right side
465,136.40x = 182,286,312,063.14 - Step 5: Solve for x
x = 182,286,312,063.14/465,136.40 - Step 6: Final answer
x = 391,898.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.