Finding the Fourth Proportional to 68,351.40, 102,332.70 and 68,351.40
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Solution
The fourth proportional to 68,351.40, 102,332.70 and 68,351.40 is: 102,332.70
Step by Step Solution
- Step 1: Write the proportion equation
68,351.40 : 102,332.70 = 68,351.40 : x - Step 2: Convert to fraction form
68,351.40/102,332.70 = 68,351.40/x - Step 3: Cross multiply
68,351.40x = 102,332.70 × 68,351.40 - Step 4: Simplify right side
68,351.40x = 6,994,583,310.78 - Step 5: Solve for x
x = 6,994,583,310.78/68,351.40 - Step 6: Final answer
x = 102,332.70
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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.