Finding the Fourth Proportional to 476,202.29, 657,137.50 and 261,338.09
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Solution
The fourth proportional to 476,202.29, 657,137.50 and 261,338.09 is: 360,634.67
Step by Step Solution
- Step 1: Write the proportion equation
476,202.29 : 657,137.50 = 261,338.09 : x - Step 2: Convert to fraction form
476,202.29/657,137.50 = 261,338.09/x - Step 3: Cross multiply
476,202.29x = 657,137.50 × 261,338.09 - Step 4: Simplify right side
476,202.29x = 171,735,055,178.34 - Step 5: Solve for x
x = 171,735,055,178.34/476,202.29 - Step 6: Final answer
x = 360,634.67
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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.