Finding the Fourth Proportional to 572,636.40, 858,677.80 and 212,558.96
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Solution
The fourth proportional to 572,636.40, 858,677.80 and 212,558.96 is: 318,735.69
Step by Step Solution
- Step 1: Write the proportion equation
572,636.40 : 858,677.80 = 212,558.96 : x - Step 2: Convert to fraction form
572,636.40/858,677.80 = 212,558.96/x - Step 3: Cross multiply
572,636.40x = 858,677.80 × 212,558.96 - Step 4: Simplify right side
572,636.40x = 182,519,660,143.09 - Step 5: Solve for x
x = 182,519,660,143.09/572,636.40 - Step 6: Final answer
x = 318,735.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.