Finding the Fourth Proportional to 146,965.68, 202,812.48 and 79,897.68
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Solution
The fourth proportional to 146,965.68, 202,812.48 and 79,897.68 is: 110,258.71
Step by Step Solution
- Step 1: Write the proportion equation
146,965.68 : 202,812.48 = 79,897.68 : x - Step 2: Convert to fraction form
146,965.68/202,812.48 = 79,897.68/x - Step 3: Cross multiply
146,965.68x = 202,812.48 × 79,897.68 - Step 4: Simplify right side
146,965.68x = 16,204,246,627.05 - Step 5: Solve for x
x = 16,204,246,627.05/146,965.68 - Step 6: Final answer
x = 110,258.71
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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.