Finding the Fourth Proportional to 476,682.36, 657,838.44 and 261,842.28
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Solution
The fourth proportional to 476,682.36, 657,838.44 and 261,842.28 is: 361,351.57
Step by Step Solution
- Step 1: Write the proportion equation
476,682.36 : 657,838.44 = 261,842.28 : x - Step 2: Convert to fraction form
476,682.36/657,838.44 = 261,842.28/x - Step 3: Cross multiply
476,682.36x = 657,838.44 × 261,842.28 - Step 4: Simplify right side
476,682.36x = 172,249,917,001.24 - Step 5: Solve for x
x = 172,249,917,001.24/476,682.36 - Step 6: Final answer
x = 361,351.57
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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.