Finding the Fourth Proportional to 165,378.46, 228,194.60 and 97,408.96
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Solution
The fourth proportional to 165,378.46, 228,194.60 and 97,408.96 is: 134,408.06
Step by Step Solution
- Step 1: Write the proportion equation
165,378.46 : 228,194.60 = 97,408.96 : x - Step 2: Convert to fraction form
165,378.46/228,194.60 = 97,408.96/x - Step 3: Cross multiply
165,378.46x = 228,194.60 × 97,408.96 - Step 4: Simplify right side
165,378.46x = 22,228,198,663.62 - Step 5: Solve for x
x = 22,228,198,663.62/165,378.46 - Step 6: Final answer
x = 134,408.06
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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.