Finding the Fourth Proportional to 197,756.80, 296,635.20 and 163,931.20
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Solution
The fourth proportional to 197,756.80, 296,635.20 and 163,931.20 is: 245,896.80
Step by Step Solution
- Step 1: Write the proportion equation
197,756.80 : 296,635.20 = 163,931.20 : x - Step 2: Convert to fraction form
197,756.80/296,635.20 = 163,931.20/x - Step 3: Cross multiply
197,756.80x = 296,635.20 × 163,931.20 - Step 4: Simplify right side
197,756.80x = 48,627,764,298.24 - Step 5: Solve for x
x = 48,627,764,298.24/197,756.80 - Step 6: Final answer
x = 245,896.80
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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.