Finding the Fourth Proportional to 406,472.15, 560,923.98 and 245,333.99
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Solution
The fourth proportional to 406,472.15, 560,923.98 and 245,333.99 is: 338,556.33
Step by Step Solution
- Step 1: Write the proportion equation
406,472.15 : 560,923.98 = 245,333.99 : x - Step 2: Convert to fraction form
406,472.15/560,923.98 = 245,333.99/x - Step 3: Cross multiply
406,472.15x = 560,923.98 × 245,333.99 - Step 4: Simplify right side
406,472.15x = 137,613,718,100.08 - Step 5: Solve for x
x = 137,613,718,100.08/406,472.15 - Step 6: Final answer
x = 338,556.33
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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.