Finding the Fourth Proportional to 165,729.18, 228,695.49 and 97,730.56
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Solution
The fourth proportional to 165,729.18, 228,695.49 and 97,730.56 is: 134,861.81
Step by Step Solution
- Step 1: Write the proportion equation
165,729.18 : 228,695.49 = 97,730.56 : x - Step 2: Convert to fraction form
165,729.18/228,695.49 = 97,730.56/x - Step 3: Cross multiply
165,729.18x = 228,695.49 × 97,730.56 - Step 4: Simplify right side
165,729.18x = 22,350,537,735.44 - Step 5: Solve for x
x = 22,350,537,735.44/165,729.18 - Step 6: Final answer
x = 134,861.81
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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.