Finding the Fourth Proportional to 177,729.96, 245,268.98 and 101,247.93
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Solution
The fourth proportional to 177,729.96, 245,268.98 and 101,247.93 is: 139,723.07
Step by Step Solution
- Step 1: Write the proportion equation
177,729.96 : 245,268.98 = 101,247.93 : x - Step 2: Convert to fraction form
177,729.96/245,268.98 = 101,247.93/x - Step 3: Cross multiply
177,729.96x = 245,268.98 × 101,247.93 - Step 4: Simplify right side
177,729.96x = 24,832,976,518.21 - Step 5: Solve for x
x = 24,832,976,518.21/177,729.96 - Step 6: Final answer
x = 139,723.07
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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.