Finding the Fourth Proportional to 149,378.70, 224,107.65 and 65,102.70
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Solution
The fourth proportional to 149,378.70, 224,107.65 and 65,102.70 is: 97,671.31
Step by Step Solution
- Step 1: Write the proportion equation
149,378.70 : 224,107.65 = 65,102.70 : x - Step 2: Convert to fraction form
149,378.70/224,107.65 = 65,102.70/x - Step 3: Cross multiply
149,378.70x = 224,107.65 × 65,102.70 - Step 4: Simplify right side
149,378.70x = 14,590,013,105.66 - Step 5: Solve for x
x = 14,590,013,105.66/149,378.70 - Step 6: Final answer
x = 97,671.31
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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.