Finding the Fourth Proportional to 135,239.60, 202,859.40 and 133,396.40
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Solution
The fourth proportional to 135,239.60, 202,859.40 and 133,396.40 is: 200,094.60
Step by Step Solution
- Step 1: Write the proportion equation
135,239.60 : 202,859.40 = 133,396.40 : x - Step 2: Convert to fraction form
135,239.60/202,859.40 = 133,396.40/x - Step 3: Cross multiply
135,239.60x = 202,859.40 × 133,396.40 - Step 4: Simplify right side
135,239.60x = 27,060,713,666.16 - Step 5: Solve for x
x = 27,060,713,666.16/135,239.60 - Step 6: Final answer
x = 200,094.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.