Finding the Fourth Proportional to 476,197.14, 657,131.36 and 261,340.77
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Solution
The fourth proportional to 476,197.14, 657,131.36 and 261,340.77 is: 360,638.90
Step by Step Solution
- Step 1: Write the proportion equation
476,197.14 : 657,131.36 = 261,340.77 : x - Step 2: Convert to fraction form
476,197.14/657,131.36 = 261,340.77/x - Step 3: Cross multiply
476,197.14x = 657,131.36 × 261,340.77 - Step 4: Simplify right side
476,197.14x = 171,735,214,306.84 - Step 5: Solve for x
x = 171,735,214,306.84/476,197.14 - Step 6: Final answer
x = 360,638.90
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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.