Finding the Fourth Proportional to 146,371.68, 201,992.94 and 79,303.68
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Solution
The fourth proportional to 146,371.68, 201,992.94 and 79,303.68 is: 109,439.09
Step by Step Solution
- Step 1: Write the proportion equation
146,371.68 : 201,992.94 = 79,303.68 : x - Step 2: Convert to fraction form
146,371.68/201,992.94 = 79,303.68/x - Step 3: Cross multiply
146,371.68x = 201,992.94 × 79,303.68 - Step 4: Simplify right side
146,371.68x = 16,018,783,476.02 - Step 5: Solve for x
x = 16,018,783,476.02/146,371.68 - Step 6: Final answer
x = 109,439.09
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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.