Finding the Fourth Proportional to 173,887.20, 260,830.80 and 120,232.80
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Solution
The fourth proportional to 173,887.20, 260,830.80 and 120,232.80 is: 180,349.20
Step by Step Solution
- Step 1: Write the proportion equation
173,887.20 : 260,830.80 = 120,232.80 : x - Step 2: Convert to fraction form
173,887.20/260,830.80 = 120,232.80/x - Step 3: Cross multiply
173,887.20x = 260,830.80 × 120,232.80 - Step 4: Simplify right side
173,887.20x = 31,360,417,410.24 - Step 5: Solve for x
x = 31,360,417,410.24/173,887.20 - Step 6: Final answer
x = 180,349.20
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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.