Finding the Fourth Proportional to 110,724.30, 166,054.05 and 39,638.70
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Solution
The fourth proportional to 110,724.30, 166,054.05 and 39,638.70 is: 59,446.45
Step by Step Solution
- Step 1: Write the proportion equation
110,724.30 : 166,054.05 = 39,638.70 : x - Step 2: Convert to fraction form
110,724.30/166,054.05 = 39,638.70/x - Step 3: Cross multiply
110,724.30x = 166,054.05 × 39,638.70 - Step 4: Simplify right side
110,724.30x = 6,582,166,671.74 - Step 5: Solve for x
x = 6,582,166,671.74/110,724.30 - Step 6: Final answer
x = 59,446.45
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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.