Finding the Fourth Proportional to 181,873.53, 272,828.99 and 69,647.63
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Solution
The fourth proportional to 181,873.53, 272,828.99 and 69,647.63 is: 104,478.59
Step by Step Solution
- Step 1: Write the proportion equation
181,873.53 : 272,828.99 = 69,647.63 : x - Step 2: Convert to fraction form
181,873.53/272,828.99 = 69,647.63/x - Step 3: Cross multiply
181,873.53x = 272,828.99 × 69,647.63 - Step 4: Simplify right side
181,873.53x = 19,001,890,836.41 - Step 5: Solve for x
x = 19,001,890,836.41/181,873.53 - Step 6: Final answer
x = 104,478.59
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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.