Finding the Fourth Proportional to 151,605.69, 227,457.74 and 72,726.09
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Solution
The fourth proportional to 151,605.69, 227,457.74 and 72,726.09 is: 109,112.74
Step by Step Solution
- Step 1: Write the proportion equation
151,605.69 : 227,457.74 = 72,726.09 : x - Step 2: Convert to fraction form
151,605.69/227,457.74 = 72,726.09/x - Step 3: Cross multiply
151,605.69x = 227,457.74 × 72,726.09 - Step 4: Simplify right side
151,605.69x = 16,542,112,070.44 - Step 5: Solve for x
x = 16,542,112,070.44/151,605.69 - Step 6: Final answer
x = 109,112.74
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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.