Finding the Fourth Proportional to 422,949.26, 634,461.15 and 119,346.09
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Solution
The fourth proportional to 422,949.26, 634,461.15 and 119,346.09 is: 179,029.65
Step by Step Solution
- Step 1: Write the proportion equation
422,949.26 : 634,461.15 = 119,346.09 : x - Step 2: Convert to fraction form
422,949.26/634,461.15 = 119,346.09/x - Step 3: Cross multiply
422,949.26x = 634,461.15 × 119,346.09 - Step 4: Simplify right side
422,949.26x = 75,720,459,146.57 - Step 5: Solve for x
x = 75,720,459,146.57/422,949.26 - Step 6: Final answer
x = 179,029.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.