Finding the Fourth Proportional to 160,078.70, 240,130.20 and 47,750.12
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Solution
The fourth proportional to 160,078.70, 240,130.20 and 47,750.12 is: 71,628.80
Step by Step Solution
- Step 1: Write the proportion equation
160,078.70 : 240,130.20 = 47,750.12 : x - Step 2: Convert to fraction form
160,078.70/240,130.20 = 47,750.12/x - Step 3: Cross multiply
160,078.70x = 240,130.20 × 47,750.12 - Step 4: Simplify right side
160,078.70x = 11,466,245,865.62 - Step 5: Solve for x
x = 11,466,245,865.62/160,078.70 - Step 6: Final answer
x = 71,628.80
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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.