Finding the Fourth Proportional to 490,652.88, 735,979.34 and 130,824.96
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Solution
The fourth proportional to 490,652.88, 735,979.34 and 130,824.96 is: 196,237.45
Step by Step Solution
- Step 1: Write the proportion equation
490,652.88 : 735,979.34 = 130,824.96 : x - Step 2: Convert to fraction form
490,652.88/735,979.34 = 130,824.96/x - Step 3: Cross multiply
490,652.88x = 735,979.34 × 130,824.96 - Step 4: Simplify right side
490,652.88x = 96,284,467,716.33 - Step 5: Solve for x
x = 96,284,467,716.33/490,652.88 - Step 6: Final answer
x = 196,237.45
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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.