Finding the Fourth Proportional to 490,651.88, 735,977.84 and 130,823.96
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Solution
The fourth proportional to 490,651.88, 735,977.84 and 130,823.96 is: 196,235.94
Step by Step Solution
- Step 1: Write the proportion equation
490,651.88 : 735,977.84 = 130,823.96 : x - Step 2: Convert to fraction form
490,651.88/735,977.84 = 130,823.96/x - Step 3: Cross multiply
490,651.88x = 735,977.84 × 130,823.96 - Step 4: Simplify right side
490,651.88x = 96,283,531,167.04 - Step 5: Solve for x
x = 96,283,531,167.04/490,651.88 - Step 6: Final answer
x = 196,235.94
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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.