Finding the Fourth Proportional to 269,840.94, 372,378.09 and 148,979.62
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Solution
The fourth proportional to 269,840.94, 372,378.09 and 148,979.62 is: 205,590.55
Step by Step Solution
- Step 1: Write the proportion equation
269,840.94 : 372,378.09 = 148,979.62 : x - Step 2: Convert to fraction form
269,840.94/372,378.09 = 148,979.62/x - Step 3: Cross multiply
269,840.94x = 372,378.09 × 148,979.62 - Step 4: Simplify right side
269,840.94x = 55,476,747,368.67 - Step 5: Solve for x
x = 55,476,747,368.67/269,840.94 - Step 6: Final answer
x = 205,590.55
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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.