Finding the Fourth Proportional to 356,631.77, 492,202.19 and 220,709.49
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Solution
The fourth proportional to 356,631.77, 492,202.19 and 220,709.49 is: 304,610.26
Step by Step Solution
- Step 1: Write the proportion equation
356,631.77 : 492,202.19 = 220,709.49 : x - Step 2: Convert to fraction form
356,631.77/492,202.19 = 220,709.49/x - Step 3: Cross multiply
356,631.77x = 492,202.19 × 220,709.49 - Step 4: Simplify right side
356,631.77x = 108,633,693,228.24 - Step 5: Solve for x
x = 108,633,693,228.24/356,631.77 - Step 6: Final answer
x = 304,610.26
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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.