Finding the Fourth Proportional to 476,140.48, 657,072.06 and 261,284.14
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Solution
The fourth proportional to 476,140.48, 657,072.06 and 261,284.14 is: 360,571.12
Step by Step Solution
- Step 1: Write the proportion equation
476,140.48 : 657,072.06 = 261,284.14 : x - Step 2: Convert to fraction form
476,140.48/657,072.06 = 261,284.14/x - Step 3: Cross multiply
476,140.48x = 657,072.06 × 261,284.14 - Step 4: Simplify right side
476,140.48x = 171,682,508,115.13 - Step 5: Solve for x
x = 171,682,508,115.13/476,140.48 - Step 6: Final answer
x = 360,571.12
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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.