Finding the Fourth Proportional to 511,184.98, 705,555.39 and 317,738.62
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Solution
The fourth proportional to 511,184.98, 705,555.39 and 317,738.62 is: 438,553.96
Step by Step Solution
- Step 1: Write the proportion equation
511,184.98 : 705,555.39 = 317,738.62 : x - Step 2: Convert to fraction form
511,184.98/705,555.39 = 317,738.62/x - Step 3: Cross multiply
511,184.98x = 705,555.39 × 317,738.62 - Step 4: Simplify right side
511,184.98x = 224,182,195,952.16 - Step 5: Solve for x
x = 224,182,195,952.16/511,184.98 - Step 6: Final answer
x = 438,553.96
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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.