Finding the Fourth Proportional to 146,326.08, 201,930.96 and 79,258.08
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Solution
The fourth proportional to 146,326.08, 201,930.96 and 79,258.08 is: 109,376.68
Step by Step Solution
- Step 1: Write the proportion equation
146,326.08 : 201,930.96 = 79,258.08 : x - Step 2: Convert to fraction form
146,326.08/201,930.96 = 79,258.08/x - Step 3: Cross multiply
146,326.08x = 201,930.96 × 79,258.08 - Step 4: Simplify right side
146,326.08x = 16,004,660,182.16 - Step 5: Solve for x
x = 16,004,660,182.16/146,326.08 - Step 6: Final answer
x = 109,376.68
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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.