Finding the Fourth Proportional to 145,527.51, 218,291.32 and 65,471.99
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Solution
The fourth proportional to 145,527.51, 218,291.32 and 65,471.99 is: 98,208.00
Step by Step Solution
- Step 1: Write the proportion equation
145,527.51 : 218,291.32 = 65,471.99 : x - Step 2: Convert to fraction form
145,527.51/218,291.32 = 65,471.99/x - Step 3: Cross multiply
145,527.51x = 218,291.32 × 65,471.99 - Step 4: Simplify right side
145,527.51x = 14,291,965,742.23 - Step 5: Solve for x
x = 14,291,965,742.23/145,527.51 - Step 6: Final answer
x = 98,208.00
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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.