Finding the Fourth Proportional to 340,739.99, 469,902.23 and 269,290.70
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Solution
The fourth proportional to 340,739.99, 469,902.23 and 269,290.70 is: 371,369.09
Step by Step Solution
- Step 1: Write the proportion equation
340,739.99 : 469,902.23 = 269,290.70 : x - Step 2: Convert to fraction form
340,739.99/469,902.23 = 269,290.70/x - Step 3: Cross multiply
340,739.99x = 469,902.23 × 269,290.70 - Step 4: Simplify right side
340,739.99x = 126,540,298,098.75 - Step 5: Solve for x
x = 126,540,298,098.75/340,739.99 - Step 6: Final answer
x = 371,369.09
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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.