Finding the Fourth Proportional to 221,113.44, 331,673.76 and 63,341.28
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Solution
The fourth proportional to 221,113.44, 331,673.76 and 63,341.28 is: 95,012.95
Step by Step Solution
- Step 1: Write the proportion equation
221,113.44 : 331,673.76 = 63,341.28 : x - Step 2: Convert to fraction form
221,113.44/331,673.76 = 63,341.28/x - Step 3: Cross multiply
221,113.44x = 331,673.76 × 63,341.28 - Step 4: Simplify right side
221,113.44x = 21,008,640,500.81 - Step 5: Solve for x
x = 21,008,640,500.81/221,113.44 - Step 6: Final answer
x = 95,012.95
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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.