Finding the Fourth Proportional to 380,247.09, 524,740.98 and 210,481.21
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Solution
The fourth proportional to 380,247.09, 524,740.98 and 210,481.21 is: 290,464.07
Step by Step Solution
- Step 1: Write the proportion equation
380,247.09 : 524,740.98 = 210,481.21 : x - Step 2: Convert to fraction form
380,247.09/524,740.98 = 210,481.21/x - Step 3: Cross multiply
380,247.09x = 524,740.98 × 210,481.21 - Step 4: Simplify right side
380,247.09x = 110,448,117,852.22 - Step 5: Solve for x
x = 110,448,117,852.22/380,247.09 - Step 6: Final answer
x = 290,464.07
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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.