Finding the Fourth Proportional to 394,346.14, 544,197.90 and 213,058.02
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Solution
The fourth proportional to 394,346.14, 544,197.90 and 213,058.02 is: 294,020.19
Step by Step Solution
- Step 1: Write the proportion equation
394,346.14 : 544,197.90 = 213,058.02 : x - Step 2: Convert to fraction form
394,346.14/544,197.90 = 213,058.02/x - Step 3: Cross multiply
394,346.14x = 544,197.90 × 213,058.02 - Step 4: Simplify right side
394,346.14x = 115,945,727,062.16 - Step 5: Solve for x
x = 115,945,727,062.16/394,346.14 - Step 6: Final answer
x = 294,020.19
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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.