Finding the Fourth Proportional to 618,580.10, 853,600.12 and 363,882.08
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Solution
The fourth proportional to 618,580.10, 853,600.12 and 363,882.08 is: 502,133.49
Step by Step Solution
- Step 1: Write the proportion equation
618,580.10 : 853,600.12 = 363,882.08 : x - Step 2: Convert to fraction form
618,580.10/853,600.12 = 363,882.08/x - Step 3: Cross multiply
618,580.10x = 853,600.12 × 363,882.08 - Step 4: Simplify right side
618,580.10x = 310,609,781,976.14 - Step 5: Solve for x
x = 310,609,781,976.14/618,580.10 - Step 6: Final answer
x = 502,133.49
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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.