Finding the Fourth Proportional to 490,701.11, 735,750.20 and 190,832.09
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Solution
The fourth proportional to 490,701.11, 735,750.20 and 190,832.09 is: 286,130.89
Step by Step Solution
- Step 1: Write the proportion equation
490,701.11 : 735,750.20 = 190,832.09 : x - Step 2: Convert to fraction form
490,701.11/735,750.20 = 190,832.09/x - Step 3: Cross multiply
490,701.11x = 735,750.20 × 190,832.09 - Step 4: Simplify right side
490,701.11x = 140,404,745,182.25 - Step 5: Solve for x
x = 140,404,745,182.25/490,701.11 - Step 6: Final answer
x = 286,130.89
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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.