Finding the Fourth Proportional to 615,143.97, 848,897.50 and 343,195.68
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Solution
The fourth proportional to 615,143.97, 848,897.50 and 343,195.68 is: 473,609.38
Step by Step Solution
- Step 1: Write the proportion equation
615,143.97 : 848,897.50 = 343,195.68 : x - Step 2: Convert to fraction form
615,143.97/848,897.50 = 343,195.68/x - Step 3: Cross multiply
615,143.97x = 848,897.50 × 343,195.68 - Step 4: Simplify right side
615,143.97x = 291,337,953,046.82 - Step 5: Solve for x
x = 291,337,953,046.82/615,143.97 - Step 6: Final answer
x = 473,609.38
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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.