Finding the Fourth Proportional to 165,806.72, 228,757.12 and 101,252.40
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Solution
The fourth proportional to 165,806.72, 228,757.12 and 101,252.40 is: 139,694.02
Step by Step Solution
- Step 1: Write the proportion equation
165,806.72 : 228,757.12 = 101,252.40 : x - Step 2: Convert to fraction form
165,806.72/228,757.12 = 101,252.40/x - Step 3: Cross multiply
165,806.72x = 228,757.12 × 101,252.40 - Step 4: Simplify right side
165,806.72x = 23,162,207,417.09 - Step 5: Solve for x
x = 23,162,207,417.09/165,806.72 - Step 6: Final answer
x = 139,694.02
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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.