Finding the Fourth Proportional to 197,691.20, 296,536.80 and 97,866.80
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Solution
The fourth proportional to 197,691.20, 296,536.80 and 97,866.80 is: 146,800.20
Step by Step Solution
- Step 1: Write the proportion equation
197,691.20 : 296,536.80 = 97,866.80 : x - Step 2: Convert to fraction form
197,691.20/296,536.80 = 97,866.80/x - Step 3: Cross multiply
197,691.20x = 296,536.80 × 97,866.80 - Step 4: Simplify right side
197,691.20x = 29,021,107,698.24 - Step 5: Solve for x
x = 29,021,107,698.24/197,691.20 - Step 6: Final answer
x = 146,800.20
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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.