Finding the Fourth Proportional to 371,858.14, 513,162.84 and 210,743.67
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Solution
The fourth proportional to 371,858.14, 513,162.84 and 210,743.67 is: 290,825.48
Step by Step Solution
- Step 1: Write the proportion equation
371,858.14 : 513,162.84 = 210,743.67 : x - Step 2: Convert to fraction form
371,858.14/513,162.84 = 210,743.67/x - Step 3: Cross multiply
371,858.14x = 513,162.84 × 210,743.67 - Step 4: Simplify right side
371,858.14x = 108,145,822,923.87 - Step 5: Solve for x
x = 108,145,822,923.87/371,858.14 - Step 6: Final answer
x = 290,825.48
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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.