Finding the Fourth Proportional to 476,472.17, 657,542.21 and 261,613.09
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Solution
The fourth proportional to 476,472.17, 657,542.21 and 261,613.09 is: 361,031.89
Step by Step Solution
- Step 1: Write the proportion equation
476,472.17 : 657,542.21 = 261,613.09 : x - Step 2: Convert to fraction form
476,472.17/657,542.21 = 261,613.09/x - Step 3: Cross multiply
476,472.17x = 657,542.21 × 261,613.09 - Step 4: Simplify right side
476,472.17x = 172,021,648,877.39 - Step 5: Solve for x
x = 172,021,648,877.39/476,472.17 - Step 6: Final answer
x = 361,031.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.