Finding the Fourth Proportional to 160,073.70, 240,122.70 and 47,745.13
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Solution
The fourth proportional to 160,073.70, 240,122.70 and 47,745.13 is: 71,621.32
Step by Step Solution
- Step 1: Write the proportion equation
160,073.70 : 240,122.70 = 47,745.13 : x - Step 2: Convert to fraction form
160,073.70/240,122.70 = 47,745.13/x - Step 3: Cross multiply
160,073.70x = 240,122.70 × 47,745.13 - Step 4: Simplify right side
160,073.70x = 11,464,689,527.45 - Step 5: Solve for x
x = 11,464,689,527.45/160,073.70 - Step 6: Final answer
x = 71,621.32
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1.5x scale
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.