Finding the Fourth Proportional to 220,726.20, 330,639.91 and 202,334.88
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Solution
The fourth proportional to 220,726.20, 330,639.91 and 202,334.88 is: 303,090.37
Step by Step Solution
- Step 1: Write the proportion equation
220,726.20 : 330,639.91 = 202,334.88 : x - Step 2: Convert to fraction form
220,726.20/330,639.91 = 202,334.88/x - Step 3: Cross multiply
220,726.20x = 330,639.91 × 202,334.88 - Step 4: Simplify right side
220,726.20x = 66,899,986,513.06 - Step 5: Solve for x
x = 66,899,986,513.06/220,726.20 - Step 6: Final answer
x = 303,090.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.