Finding the Fourth Proportional to 104,612.60, 156,911.70 and 33,534.20
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Solution
The fourth proportional to 104,612.60, 156,911.70 and 33,534.20 is: 50,298.99
Step by Step Solution
- Step 1: Write the proportion equation
104,612.60 : 156,911.70 = 33,534.20 : x - Step 2: Convert to fraction form
104,612.60/156,911.70 = 33,534.20/x - Step 3: Cross multiply
104,612.60x = 156,911.70 × 33,534.20 - Step 4: Simplify right side
104,612.60x = 5,261,908,330.14 - Step 5: Solve for x
x = 5,261,908,330.14/104,612.60 - Step 6: Final answer
x = 50,298.99
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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.