Finding the Fourth Proportional to 155,307.40, 232,961.10 and 102,163.30
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Solution
The fourth proportional to 155,307.40, 232,961.10 and 102,163.30 is: 153,244.95
Step by Step Solution
- Step 1: Write the proportion equation
155,307.40 : 232,961.10 = 102,163.30 : x - Step 2: Convert to fraction form
155,307.40/232,961.10 = 102,163.30/x - Step 3: Cross multiply
155,307.40x = 232,961.10 × 102,163.30 - Step 4: Simplify right side
155,307.40x = 23,800,074,747.63 - Step 5: Solve for x
x = 23,800,074,747.63/155,307.40 - Step 6: Final answer
x = 153,244.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.