Finding the Fourth Proportional to 162,676.48, 224,633.64 and 102,347.68
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Solution
The fourth proportional to 162,676.48, 224,633.64 and 102,347.68 is: 141,327.94
Step by Step Solution
- Step 1: Write the proportion equation
162,676.48 : 224,633.64 = 102,347.68 : x - Step 2: Convert to fraction form
162,676.48/224,633.64 = 102,347.68/x - Step 3: Cross multiply
162,676.48x = 224,633.64 × 102,347.68 - Step 4: Simplify right side
162,676.48x = 22,990,731,903.96 - Step 5: Solve for x
x = 22,990,731,903.96/162,676.48 - Step 6: Final answer
x = 141,327.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.