Finding the Fourth Proportional to 146,973.06, 202,826.16 and 79,905.06
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Solution
The fourth proportional to 146,973.06, 202,826.16 and 79,905.06 is: 110,270.80
Step by Step Solution
- Step 1: Write the proportion equation
146,973.06 : 202,826.16 = 79,905.06 : x - Step 2: Convert to fraction form
146,973.06/202,826.16 = 79,905.06/x - Step 3: Cross multiply
146,973.06x = 202,826.16 × 79,905.06 - Step 4: Simplify right side
146,973.06x = 16,206,836,484.37 - Step 5: Solve for x
x = 16,206,836,484.37/146,973.06 - Step 6: Final answer
x = 110,270.80
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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.