Finding the Fourth Proportional to 217,124.38, 323,761.15 and 202,646.44
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Solution
The fourth proportional to 217,124.38, 323,761.15 and 202,646.44 is: 302,172.63
Step by Step Solution
- Step 1: Write the proportion equation
217,124.38 : 323,761.15 = 202,646.44 : x - Step 2: Convert to fraction form
217,124.38/323,761.15 = 202,646.44/x - Step 3: Cross multiply
217,124.38x = 323,761.15 × 202,646.44 - Step 4: Simplify right side
217,124.38x = 65,609,044,457.81 - Step 5: Solve for x
x = 65,609,044,457.81/217,124.38 - Step 6: Final answer
x = 302,172.63
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.