Finding the Fourth Proportional to 269,925.20, 372,478.02 and 149,065.44
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Solution
The fourth proportional to 269,925.20, 372,478.02 and 149,065.44 is: 205,699.95
Step by Step Solution
- Step 1: Write the proportion equation
269,925.20 : 372,478.02 = 149,065.44 : x - Step 2: Convert to fraction form
269,925.20/372,478.02 = 149,065.44/x - Step 3: Cross multiply
269,925.20x = 372,478.02 × 149,065.44 - Step 4: Simplify right side
269,925.20x = 55,523,599,941.63 - Step 5: Solve for x
x = 55,523,599,941.63/269,925.20 - Step 6: Final answer
x = 205,699.95
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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.