Finding the Fourth Proportional to 392,064.52, 541,058.36 and 219,995.21
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Solution
The fourth proportional to 392,064.52, 541,058.36 and 219,995.21 is: 303,598.62
Step by Step Solution
- Step 1: Write the proportion equation
392,064.52 : 541,058.36 = 219,995.21 : x - Step 2: Convert to fraction form
392,064.52/541,058.36 = 219,995.21/x - Step 3: Cross multiply
392,064.52x = 541,058.36 × 219,995.21 - Step 4: Simplify right side
392,064.52x = 119,030,247,783.13 - Step 5: Solve for x
x = 119,030,247,783.13/392,064.52 - Step 6: Final answer
x = 303,598.62
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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.