Finding the Fourth Proportional to 146,369.44, 201,989.83 and 79,301.44
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Solution
The fourth proportional to 146,369.44, 201,989.83 and 79,301.44 is: 109,435.99
Step by Step Solution
- Step 1: Write the proportion equation
146,369.44 : 201,989.83 = 79,301.44 : x - Step 2: Convert to fraction form
146,369.44/201,989.83 = 79,301.44/x - Step 3: Cross multiply
146,369.44x = 201,989.83 × 79,301.44 - Step 4: Simplify right side
146,369.44x = 16,018,083,681.13 - Step 5: Solve for x
x = 16,018,083,681.13/146,369.44 - Step 6: Final answer
x = 109,435.99
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1.5x scale
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.