Finding the Fourth Proportional to 119,238.99, 178,725.29 and 51,693.05
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Solution
The fourth proportional to 119,238.99, 178,725.29 and 51,693.05 is: 77,481.82
Step by Step Solution
- Step 1: Write the proportion equation
119,238.99 : 178,725.29 = 51,693.05 : x - Step 2: Convert to fraction form
119,238.99/178,725.29 = 51,693.05/x - Step 3: Cross multiply
119,238.99x = 178,725.29 × 51,693.05 - Step 4: Simplify right side
119,238.99x = 9,238,854,200.14 - Step 5: Solve for x
x = 9,238,854,200.14/119,238.99 - Step 6: Final answer
x = 77,481.82
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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.