Finding the Fourth Proportional to 146,935.36, 202,769.28 and 79,866.88
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Solution
The fourth proportional to 146,935.36, 202,769.28 and 79,866.88 is: 110,215.47
Step by Step Solution
- Step 1: Write the proportion equation
146,935.36 : 202,769.28 = 79,866.88 : x - Step 2: Convert to fraction form
146,935.36/202,769.28 = 79,866.88/x - Step 3: Cross multiply
146,935.36x = 202,769.28 × 79,866.88 - Step 4: Simplify right side
146,935.36x = 16,194,549,753.45 - Step 5: Solve for x
x = 16,194,549,753.45/146,935.36 - Step 6: Final answer
x = 110,215.47
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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.