Finding the Fourth Proportional to 197,642.40, 296,506.80 and 97,850.40
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Solution
The fourth proportional to 197,642.40, 296,506.80 and 97,850.40 is: 146,796.99
Step by Step Solution
- Step 1: Write the proportion equation
197,642.40 : 296,506.80 = 97,850.40 : x - Step 2: Convert to fraction form
197,642.40/296,506.80 = 97,850.40/x - Step 3: Cross multiply
197,642.40x = 296,506.80 × 97,850.40 - Step 4: Simplify right side
197,642.40x = 29,013,308,982.72 - Step 5: Solve for x
x = 29,013,308,982.72/197,642.40 - Step 6: Final answer
x = 146,796.99
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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.