Finding the Fourth Proportional to 100,842.89, 151,315.37 and 41,720.99
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Solution
The fourth proportional to 100,842.89, 151,315.37 and 41,720.99 is: 62,602.60
Step by Step Solution
- Step 1: Write the proportion equation
100,842.89 : 151,315.37 = 41,720.99 : x - Step 2: Convert to fraction form
100,842.89/151,315.37 = 41,720.99/x - Step 3: Cross multiply
100,842.89x = 151,315.37 × 41,720.99 - Step 4: Simplify right side
100,842.89x = 6,313,026,830.01 - Step 5: Solve for x
x = 6,313,026,830.01/100,842.89 - Step 6: Final answer
x = 62,602.60
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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.