Finding the Fourth Proportional to 269,615.37, 372,081.08 and 154,929.99
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Solution
The fourth proportional to 269,615.37, 372,081.08 and 154,929.99 is: 213,810.21
Step by Step Solution
- Step 1: Write the proportion equation
269,615.37 : 372,081.08 = 154,929.99 : x - Step 2: Convert to fraction form
269,615.37/372,081.08 = 154,929.99/x - Step 3: Cross multiply
269,615.37x = 372,081.08 × 154,929.99 - Step 4: Simplify right side
269,615.37x = 57,646,518,003.59 - Step 5: Solve for x
x = 57,646,518,003.59/269,615.37 - Step 6: Final answer
x = 213,810.21
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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.