Finding the Fourth Proportional to 143,676.60, 215,506.74 and 63,691.68
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Solution
The fourth proportional to 143,676.60, 215,506.74 and 63,691.68 is: 95,533.90
Step by Step Solution
- Step 1: Write the proportion equation
143,676.60 : 215,506.74 = 63,691.68 : x - Step 2: Convert to fraction form
143,676.60/215,506.74 = 63,691.68/x - Step 3: Cross multiply
143,676.60x = 215,506.74 × 63,691.68 - Step 4: Simplify right side
143,676.60x = 13,725,986,321.92 - Step 5: Solve for x
x = 13,725,986,321.92/143,676.60 - Step 6: Final answer
x = 95,533.90
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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.