Finding the Fourth Proportional to 149,714.70, 224,572.05 and 143,809.80
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Solution
The fourth proportional to 149,714.70, 224,572.05 and 143,809.80 is: 215,714.70
Step by Step Solution
- Step 1: Write the proportion equation
149,714.70 : 224,572.05 = 143,809.80 : x - Step 2: Convert to fraction form
149,714.70/224,572.05 = 143,809.80/x - Step 3: Cross multiply
149,714.70x = 224,572.05 × 143,809.80 - Step 4: Simplify right side
149,714.70x = 32,295,661,596.09 - Step 5: Solve for x
x = 32,295,661,596.09/149,714.70 - Step 6: Final answer
x = 215,714.70
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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.