Finding the Fourth Proportional to 269,943.69, 372,525.11 and 149,088.05
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Solution
The fourth proportional to 269,943.69, 372,525.11 and 149,088.05 is: 205,743.07
Step by Step Solution
- Step 1: Write the proportion equation
269,943.69 : 372,525.11 = 149,088.05 : x - Step 2: Convert to fraction form
269,943.69/372,525.11 = 149,088.05/x - Step 3: Cross multiply
269,943.69x = 372,525.11 × 149,088.05 - Step 4: Simplify right side
269,943.69x = 55,539,042,225.94 - Step 5: Solve for x
x = 55,539,042,225.94/269,943.69 - Step 6: Final answer
x = 205,743.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.