Finding the Fourth Proportional to 476,703.24, 657,853.29 and 261,837.78
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Solution
The fourth proportional to 476,703.24, 657,853.29 and 261,837.78 is: 361,337.68
Step by Step Solution
- Step 1: Write the proportion equation
476,703.24 : 657,853.29 = 261,837.78 : x - Step 2: Convert to fraction form
476,703.24/657,853.29 = 261,837.78/x - Step 3: Cross multiply
476,703.24x = 657,853.29 × 261,837.78 - Step 4: Simplify right side
476,703.24x = 172,250,845,019.30 - Step 5: Solve for x
x = 172,250,845,019.30/476,703.24 - Step 6: Final answer
x = 361,337.68
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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.