Finding the Fourth Proportional to 298,810.62, 412,358.66 and 164,674.62
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Solution
The fourth proportional to 298,810.62, 412,358.66 and 164,674.62 is: 227,250.98
Step by Step Solution
- Step 1: Write the proportion equation
298,810.62 : 412,358.66 = 164,674.62 : x - Step 2: Convert to fraction form
298,810.62/412,358.66 = 164,674.62/x - Step 3: Cross multiply
298,810.62x = 412,358.66 × 164,674.62 - Step 4: Simplify right side
298,810.62x = 67,905,005,639.21 - Step 5: Solve for x
x = 67,905,005,639.21/298,810.62 - Step 6: Final answer
x = 227,250.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.