Finding the Fourth Proportional to 124,416.20, 186,624.30 and 113,529.80
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Solution
The fourth proportional to 124,416.20, 186,624.30 and 113,529.80 is: 170,294.70
Step by Step Solution
- Step 1: Write the proportion equation
124,416.20 : 186,624.30 = 113,529.80 : x - Step 2: Convert to fraction form
124,416.20/186,624.30 = 113,529.80/x - Step 3: Cross multiply
124,416.20x = 186,624.30 × 113,529.80 - Step 4: Simplify right side
124,416.20x = 21,187,419,454.14 - Step 5: Solve for x
x = 21,187,419,454.14/124,416.20 - Step 6: Final answer
x = 170,294.70
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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.