Finding the Fourth Proportional to 148,366.18, 222,193.67 and 76,129.00
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Solution
The fourth proportional to 148,366.18, 222,193.67 and 76,129.00 is: 114,011.03
Step by Step Solution
- Step 1: Write the proportion equation
148,366.18 : 222,193.67 = 76,129.00 : x - Step 2: Convert to fraction form
148,366.18/222,193.67 = 76,129.00/x - Step 3: Cross multiply
148,366.18x = 222,193.67 × 76,129.00 - Step 4: Simplify right side
148,366.18x = 16,915,381,429.68 - Step 5: Solve for x
x = 16,915,381,429.68/148,366.18 - Step 6: Final answer
x = 114,011.03
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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.