Finding the Fourth Proportional to 104,560.19, 156,752.09 and 45,351.26
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Solution
The fourth proportional to 104,560.19, 156,752.09 and 45,351.26 is: 67,988.64
Step by Step Solution
- Step 1: Write the proportion equation
104,560.19 : 156,752.09 = 45,351.26 : x - Step 2: Convert to fraction form
104,560.19/156,752.09 = 45,351.26/x - Step 3: Cross multiply
104,560.19x = 156,752.09 × 45,351.26 - Step 4: Simplify right side
104,560.19x = 7,108,904,789.13 - Step 5: Solve for x
x = 7,108,904,789.13/104,560.19 - Step 6: Final answer
x = 67,988.64
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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.