Finding the Fourth Proportional to 480,104.70, 720,157.30 and 125,117.82
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Solution
The fourth proportional to 480,104.70, 720,157.30 and 125,117.82 is: 187,676.80
Step by Step Solution
- Step 1: Write the proportion equation
480,104.70 : 720,157.30 = 125,117.82 : x - Step 2: Convert to fraction form
480,104.70/720,157.30 = 125,117.82/x - Step 3: Cross multiply
480,104.70x = 720,157.30 × 125,117.82 - Step 4: Simplify right side
480,104.70x = 90,104,511,433.09 - Step 5: Solve for x
x = 90,104,511,433.09/480,104.70 - Step 6: Final answer
x = 187,676.80
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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.