Finding the Fourth Proportional to 339,361.08, 509,043.10 and 114,722.70
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Solution
The fourth proportional to 339,361.08, 509,043.10 and 114,722.70 is: 172,084.55
Step by Step Solution
- Step 1: Write the proportion equation
339,361.08 : 509,043.10 = 114,722.70 : x - Step 2: Convert to fraction form
339,361.08/509,043.10 = 114,722.70/x - Step 3: Cross multiply
339,361.08x = 509,043.10 × 114,722.70 - Step 4: Simplify right side
339,361.08x = 58,398,798,848.37 - Step 5: Solve for x
x = 58,398,798,848.37/339,361.08 - Step 6: Final answer
x = 172,084.55
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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.