Finding the Fourth Proportional to 165,813.62, 228,757.84 and 102,040.70
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Solution
The fourth proportional to 165,813.62, 228,757.84 and 102,040.70 is: 140,776.19
Step by Step Solution
- Step 1: Write the proportion equation
165,813.62 : 228,757.84 = 102,040.70 : x - Step 2: Convert to fraction form
165,813.62/228,757.84 = 102,040.70/x - Step 3: Cross multiply
165,813.62x = 228,757.84 × 102,040.70 - Step 4: Simplify right side
165,813.62x = 23,342,610,440.88 - Step 5: Solve for x
x = 23,342,610,440.88/165,813.62 - Step 6: Final answer
x = 140,776.19
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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.