Finding the Fourth Proportional to 134,434.35, 201,679.20 and 112,401.68
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Solution
The fourth proportional to 134,434.35, 201,679.20 and 112,401.68 is: 168,625.65
Step by Step Solution
- Step 1: Write the proportion equation
134,434.35 : 201,679.20 = 112,401.68 : x - Step 2: Convert to fraction form
134,434.35/201,679.20 = 112,401.68/x - Step 3: Cross multiply
134,434.35x = 201,679.20 × 112,401.68 - Step 4: Simplify right side
134,434.35x = 22,669,079,892.66 - Step 5: Solve for x
x = 22,669,079,892.66/134,434.35 - Step 6: Final answer
x = 168,625.65
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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.