Finding the Fourth Proportional to 146,792.22, 202,572.15 and 79,724.70
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Solution
The fourth proportional to 146,792.22, 202,572.15 and 79,724.70 is: 110,019.48
Step by Step Solution
- Step 1: Write the proportion equation
146,792.22 : 202,572.15 = 79,724.70 : x - Step 2: Convert to fraction form
146,792.22/202,572.15 = 79,724.70/x - Step 3: Cross multiply
146,792.22x = 202,572.15 × 79,724.70 - Step 4: Simplify right side
146,792.22x = 16,150,003,887.11 - Step 5: Solve for x
x = 16,150,003,887.11/146,792.22 - Step 6: Final answer
x = 110,019.48
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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.