Finding the Fourth Proportional to 146,769.28, 202,541.44 and 79,701.28
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Solution
The fourth proportional to 146,769.28, 202,541.44 and 79,701.28 is: 109,987.68
Step by Step Solution
- Step 1: Write the proportion equation
146,769.28 : 202,541.44 = 79,701.28 : x - Step 2: Convert to fraction form
146,769.28/202,541.44 = 79,701.28/x - Step 3: Cross multiply
146,769.28x = 202,541.44 × 79,701.28 - Step 4: Simplify right side
146,769.28x = 16,142,812,021.04 - Step 5: Solve for x
x = 16,142,812,021.04/146,769.28 - Step 6: Final answer
x = 109,987.68
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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.