Finding the Fourth Proportional to 181,866.97, 272,819.14 and 69,641.07
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Solution
The fourth proportional to 181,866.97, 272,819.14 and 69,641.07 is: 104,468.75
Step by Step Solution
- Step 1: Write the proportion equation
181,866.97 : 272,819.14 = 69,641.07 : x - Step 2: Convert to fraction form
181,866.97/272,819.14 = 69,641.07/x - Step 3: Cross multiply
181,866.97x = 272,819.14 × 69,641.07 - Step 4: Simplify right side
181,866.97x = 18,999,415,628.91 - Step 5: Solve for x
x = 18,999,415,628.91/181,866.97 - Step 6: Final answer
x = 104,468.75
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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.