Finding the Fourth Proportional to 476,203.29, 657,138.88 and 261,339.09
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Solution
The fourth proportional to 476,203.29, 657,138.88 and 261,339.09 is: 360,636.05
Step by Step Solution
- Step 1: Write the proportion equation
476,203.29 : 657,138.88 = 261,339.09 : x - Step 2: Convert to fraction form
476,203.29/657,138.88 = 261,339.09/x - Step 3: Cross multiply
476,203.29x = 657,138.88 × 261,339.09 - Step 4: Simplify right side
476,203.29x = 171,736,072,310.43 - Step 5: Solve for x
x = 171,736,072,310.43/476,203.29 - Step 6: Final answer
x = 360,636.05
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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.