Finding the Fourth Proportional to 270,112.99, 372,750.91 and 149,251.70
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Solution
The fourth proportional to 270,112.99, 372,750.91 and 149,251.70 is: 205,964.58
Step by Step Solution
- Step 1: Write the proportion equation
270,112.99 : 372,750.91 = 149,251.70 : x - Step 2: Convert to fraction form
270,112.99/372,750.91 = 149,251.70/x - Step 3: Cross multiply
270,112.99x = 372,750.91 × 149,251.70 - Step 4: Simplify right side
270,112.99x = 55,633,707,868.15 - Step 5: Solve for x
x = 55,633,707,868.15/270,112.99 - Step 6: Final answer
x = 205,964.58
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1.5x scale
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.