Finding the Fourth Proportional to 406,341.68, 560,755.64 and 245,165.58
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Solution
The fourth proportional to 406,341.68, 560,755.64 and 245,165.58 is: 338,330.99
Step by Step Solution
- Step 1: Write the proportion equation
406,341.68 : 560,755.64 = 245,165.58 : x - Step 2: Convert to fraction form
406,341.68/560,755.64 = 245,165.58/x - Step 3: Cross multiply
406,341.68x = 560,755.64 × 245,165.58 - Step 4: Simplify right side
406,341.68x = 137,477,981,718.87 - Step 5: Solve for x
x = 137,477,981,718.87/406,341.68 - Step 6: Final answer
x = 338,330.99
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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.