Finding the Fourth Proportional to 490,379.15, 735,567.63 and 130,550.09
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Solution
The fourth proportional to 490,379.15, 735,567.63 and 130,550.09 is: 195,824.84
Step by Step Solution
- Step 1: Write the proportion equation
490,379.15 : 735,567.63 = 130,550.09 : x - Step 2: Convert to fraction form
490,379.15/735,567.63 = 130,550.09/x - Step 3: Cross multiply
490,379.15x = 735,567.63 × 130,550.09 - Step 4: Simplify right side
490,379.15x = 96,028,416,619.75 - Step 5: Solve for x
x = 96,028,416,619.75/490,379.15 - Step 6: Final answer
x = 195,824.84
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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.