Finding the Fourth Proportional to 380,201.88, 524,695.14 and 210,435.96
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Solution
The fourth proportional to 380,201.88, 524,695.14 and 210,435.96 is: 290,410.78
Step by Step Solution
- Step 1: Write the proportion equation
380,201.88 : 524,695.14 = 210,435.96 : x - Step 2: Convert to fraction form
380,201.88/524,695.14 = 210,435.96/x - Step 3: Cross multiply
380,201.88x = 524,695.14 × 210,435.96 - Step 4: Simplify right side
380,201.88x = 110,414,725,493.23 - Step 5: Solve for x
x = 110,414,725,493.23/380,201.88 - Step 6: Final answer
x = 290,410.78
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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.