Finding the Fourth Proportional to 406,400.36, 560,807.82 and 225,101.70
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Solution
The fourth proportional to 406,400.36, 560,807.82 and 225,101.70 is: 310,626.68
Step by Step Solution
- Step 1: Write the proportion equation
406,400.36 : 560,807.82 = 225,101.70 : x - Step 2: Convert to fraction form
406,400.36/560,807.82 = 225,101.70/x - Step 3: Cross multiply
406,400.36x = 560,807.82 × 225,101.70 - Step 4: Simplify right side
406,400.36x = 126,238,793,655.29 - Step 5: Solve for x
x = 126,238,793,655.29/406,400.36 - Step 6: Final answer
x = 310,626.68
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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.