Finding the Fourth Proportional to 198,459.60, 273,867.93 and 113,574.84
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Solution
The fourth proportional to 198,459.60, 273,867.93 and 113,574.84 is: 156,729.66
Step by Step Solution
- Step 1: Write the proportion equation
198,459.60 : 273,867.93 = 113,574.84 : x - Step 2: Convert to fraction form
198,459.60/273,867.93 = 113,574.84/x - Step 3: Cross multiply
198,459.60x = 273,867.93 × 113,574.84 - Step 4: Simplify right side
198,459.60x = 31,104,506,330.88 - Step 5: Solve for x
x = 31,104,506,330.88/198,459.60 - Step 6: Final answer
x = 156,729.66
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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.