Finding the Fourth Proportional to 173,351.80, 260,027.70 and 138,359.80
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Solution
The fourth proportional to 173,351.80, 260,027.70 and 138,359.80 is: 207,539.70
Step by Step Solution
- Step 1: Write the proportion equation
173,351.80 : 260,027.70 = 138,359.80 : x - Step 2: Convert to fraction form
173,351.80/260,027.70 = 138,359.80/x - Step 3: Cross multiply
173,351.80x = 260,027.70 × 138,359.80 - Step 4: Simplify right side
173,351.80x = 35,977,380,566.46 - Step 5: Solve for x
x = 35,977,380,566.46/173,351.80 - Step 6: Final answer
x = 207,539.70
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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.