Finding the Fourth Proportional to 345,139.02, 476,324.01 and 201,889.98
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Solution
The fourth proportional to 345,139.02, 476,324.01 and 201,889.98 is: 278,626.99
Step by Step Solution
- Step 1: Write the proportion equation
345,139.02 : 476,324.01 = 201,889.98 : x - Step 2: Convert to fraction form
345,139.02/476,324.01 = 201,889.98/x - Step 3: Cross multiply
345,139.02x = 476,324.01 × 201,889.98 - Step 4: Simplify right side
345,139.02x = 96,165,044,852.42 - Step 5: Solve for x
x = 96,165,044,852.42/345,139.02 - Step 6: Final answer
x = 278,626.99
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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.