Finding the Fourth Proportional to 239,213.40, 358,820.10 and 164,563.80
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Solution
The fourth proportional to 239,213.40, 358,820.10 and 164,563.80 is: 246,845.70
Step by Step Solution
- Step 1: Write the proportion equation
239,213.40 : 358,820.10 = 164,563.80 : x - Step 2: Convert to fraction form
239,213.40/358,820.10 = 164,563.80/x - Step 3: Cross multiply
239,213.40x = 358,820.10 × 164,563.80 - Step 4: Simplify right side
239,213.40x = 59,048,799,172.38 - Step 5: Solve for x
x = 59,048,799,172.38/239,213.40 - Step 6: Final answer
x = 246,845.70
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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.