Finding the Fourth Proportional to 197,870.62, 296,313.58 and 138,427.96
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Solution
The fourth proportional to 197,870.62, 296,313.58 and 138,427.96 is: 207,297.50
Step by Step Solution
- Step 1: Write the proportion equation
197,870.62 : 296,313.58 = 138,427.96 : x - Step 2: Convert to fraction form
197,870.62/296,313.58 = 138,427.96/x - Step 3: Cross multiply
197,870.62x = 296,313.58 × 138,427.96 - Step 4: Simplify right side
197,870.62x = 41,018,084,399.70 - Step 5: Solve for x
x = 41,018,084,399.70/197,870.62 - Step 6: Final answer
x = 207,297.50
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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.