Finding the Fourth Proportional to 146,902.32, 202,720.98 and 83,260.68
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Solution
The fourth proportional to 146,902.32, 202,720.98 and 83,260.68 is: 114,897.35
Step by Step Solution
- Step 1: Write the proportion equation
146,902.32 : 202,720.98 = 83,260.68 : x - Step 2: Convert to fraction form
146,902.32/202,720.98 = 83,260.68/x - Step 3: Cross multiply
146,902.32x = 202,720.98 × 83,260.68 - Step 4: Simplify right side
146,902.32x = 16,878,686,645.07 - Step 5: Solve for x
x = 16,878,686,645.07/146,902.32 - Step 6: Final answer
x = 114,897.35
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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.