Finding the Fourth Proportional to 221,698.44, 303,728.00 and 213,395.90
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Solution
The fourth proportional to 221,698.44, 303,728.00 and 213,395.90 is: 292,353.47
Step by Step Solution
- Step 1: Write the proportion equation
221,698.44 : 303,728.00 = 213,395.90 : x - Step 2: Convert to fraction form
221,698.44/303,728.00 = 213,395.90/x - Step 3: Cross multiply
221,698.44x = 303,728.00 × 213,395.90 - Step 4: Simplify right side
221,698.44x = 64,814,307,329.58 - Step 5: Solve for x
x = 64,814,307,329.58/221,698.44 - Step 6: Final answer
x = 292,353.47
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.