Finding the Fourth Proportional to 270,141.69, 372,817.98 and 149,306.58
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Solution
The fourth proportional to 270,141.69, 372,817.98 and 149,306.58 is: 206,055.49
Step by Step Solution
- Step 1: Write the proportion equation
270,141.69 : 372,817.98 = 149,306.58 : x - Step 2: Convert to fraction form
270,141.69/372,817.98 = 149,306.58/x - Step 3: Cross multiply
270,141.69x = 372,817.98 × 149,306.58 - Step 4: Simplify right side
270,141.69x = 55,664,177,556.31 - Step 5: Solve for x
x = 55,664,177,556.31/270,141.69 - Step 6: Final answer
x = 206,055.49
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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.