Finding the Fourth Proportional to 406,337.19, 560,749.44 and 245,161.08
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Solution
The fourth proportional to 406,337.19, 560,749.44 and 245,161.08 is: 338,324.77
Step by Step Solution
- Step 1: Write the proportion equation
406,337.19 : 560,749.44 = 245,161.08 : x - Step 2: Convert to fraction form
406,337.19/560,749.44 = 245,161.08/x - Step 3: Cross multiply
406,337.19x = 560,749.44 × 245,161.08 - Step 4: Simplify right side
406,337.19x = 137,473,938,319.80 - Step 5: Solve for x
x = 137,473,938,319.80/406,337.19 - Step 6: Final answer
x = 338,324.77
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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.