Finding the Fourth Proportional to 201,110.40, 301,228.20 and 161,744.40
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Solution
The fourth proportional to 201,110.40, 301,228.20 and 161,744.40 is: 242,264.82
Step by Step Solution
- Step 1: Write the proportion equation
201,110.40 : 301,228.20 = 161,744.40 : x - Step 2: Convert to fraction form
201,110.40/301,228.20 = 161,744.40/x - Step 3: Cross multiply
201,110.40x = 301,228.20 × 161,744.40 - Step 4: Simplify right side
201,110.40x = 48,721,974,472.08 - Step 5: Solve for x
x = 48,721,974,472.08/201,110.40 - Step 6: Final answer
x = 242,264.82
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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.