Finding the Fourth Proportional to 134,229.13, 201,343.70 and 55,341.30
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Solution
The fourth proportional to 134,229.13, 201,343.70 and 55,341.30 is: 83,011.95
Step by Step Solution
- Step 1: Write the proportion equation
134,229.13 : 201,343.70 = 55,341.30 : x - Step 2: Convert to fraction form
134,229.13/201,343.70 = 55,341.30/x - Step 3: Cross multiply
134,229.13x = 201,343.70 × 55,341.30 - Step 4: Simplify right side
134,229.13x = 11,142,622,104.81 - Step 5: Solve for x
x = 11,142,622,104.81/134,229.13 - Step 6: Final answer
x = 83,011.95
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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.