Finding the Fourth Proportional to 511,008.21, 705,035.23 and 296,106.75
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Solution
The fourth proportional to 511,008.21, 705,035.23 and 296,106.75 is: 408,536.86
Step by Step Solution
- Step 1: Write the proportion equation
511,008.21 : 705,035.23 = 296,106.75 : x - Step 2: Convert to fraction form
511,008.21/705,035.23 = 296,106.75/x - Step 3: Cross multiply
511,008.21x = 705,035.23 × 296,106.75 - Step 4: Simplify right side
511,008.21x = 208,765,689,850.54 - Step 5: Solve for x
x = 208,765,689,850.54/511,008.21 - Step 6: Final answer
x = 408,536.86
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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.