Finding the Fourth Proportional to 356,373.94, 491,796.03 and 213,133.99
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Solution
The fourth proportional to 356,373.94, 491,796.03 and 213,133.99 is: 294,124.90
Step by Step Solution
- Step 1: Write the proportion equation
356,373.94 : 491,796.03 = 213,133.99 : x - Step 2: Convert to fraction form
356,373.94/491,796.03 = 213,133.99/x - Step 3: Cross multiply
356,373.94x = 491,796.03 × 213,133.99 - Step 4: Simplify right side
356,373.94x = 104,818,450,140.06 - Step 5: Solve for x
x = 104,818,450,140.06/356,373.94 - Step 6: Final answer
x = 294,124.90
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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.