Finding the Fourth Proportional to 197,191.40, 295,808.70 and 190,970.60
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Solution
The fourth proportional to 197,191.40, 295,808.70 and 190,970.60 is: 286,476.82
Step by Step Solution
- Step 1: Write the proportion equation
197,191.40 : 295,808.70 = 190,970.60 : x - Step 2: Convert to fraction form
197,191.40/295,808.70 = 190,970.60/x - Step 3: Cross multiply
197,191.40x = 295,808.70 × 190,970.60 - Step 4: Simplify right side
197,191.40x = 56,490,764,924.22 - Step 5: Solve for x
x = 56,490,764,924.22/197,191.40 - Step 6: Final answer
x = 286,476.82
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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.