Finding the Fourth Proportional to 110,816.20, 166,328.70 and 58,263.40
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Solution
The fourth proportional to 110,816.20, 166,328.70 and 58,263.40 is: 87,449.99
Step by Step Solution
- Step 1: Write the proportion equation
110,816.20 : 166,328.70 = 58,263.40 : x - Step 2: Convert to fraction form
110,816.20/166,328.70 = 58,263.40/x - Step 3: Cross multiply
110,816.20x = 166,328.70 × 58,263.40 - Step 4: Simplify right side
110,816.20x = 9,690,875,579.58 - Step 5: Solve for x
x = 9,690,875,579.58/110,816.20 - Step 6: Final answer
x = 87,449.99
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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.