Finding the Fourth Proportional to 190,311.24, 262,657.48 and 109,722.99
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Solution
The fourth proportional to 190,311.24, 262,657.48 and 109,722.99 is: 151,433.85
Step by Step Solution
- Step 1: Write the proportion equation
190,311.24 : 262,657.48 = 109,722.99 : x - Step 2: Convert to fraction form
190,311.24/262,657.48 = 109,722.99/x - Step 3: Cross multiply
190,311.24x = 262,657.48 × 109,722.99 - Step 4: Simplify right side
190,311.24x = 28,819,563,777.16 - Step 5: Solve for x
x = 28,819,563,777.16/190,311.24 - Step 6: Final answer
x = 151,433.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.