Finding the Fourth Proportional to 210,659.99, 315,925.72 and 110,765.99
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Solution
The fourth proportional to 210,659.99, 315,925.72 and 110,765.99 is: 166,115.19
Step by Step Solution
- Step 1: Write the proportion equation
210,659.99 : 315,925.72 = 110,765.99 : x - Step 2: Convert to fraction form
210,659.99/315,925.72 = 110,765.99/x - Step 3: Cross multiply
210,659.99x = 315,925.72 × 110,765.99 - Step 4: Simplify right side
210,659.99x = 34,993,823,008.80 - Step 5: Solve for x
x = 34,993,823,008.80/210,659.99 - Step 6: Final answer
x = 166,115.19
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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.