Finding the Fourth Proportional to 146,338.68, 201,947.40 and 79,270.68
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Solution
The fourth proportional to 146,338.68, 201,947.40 and 79,270.68 is: 109,393.55
Step by Step Solution
- Step 1: Write the proportion equation
146,338.68 : 201,947.40 = 79,270.68 : x - Step 2: Convert to fraction form
146,338.68/201,947.40 = 79,270.68/x - Step 3: Cross multiply
146,338.68x = 201,947.40 × 79,270.68 - Step 4: Simplify right side
146,338.68x = 16,008,507,722.23 - Step 5: Solve for x
x = 16,008,507,722.23/146,338.68 - Step 6: Final answer
x = 109,393.55
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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.