Finding the Fourth Proportional to 615,126.96, 848,872.58 and 343,195.04
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Solution
The fourth proportional to 615,126.96, 848,872.58 and 343,195.04 is: 473,607.69
Step by Step Solution
- Step 1: Write the proportion equation
615,126.96 : 848,872.58 = 343,195.04 : x - Step 2: Convert to fraction form
615,126.96/848,872.58 = 343,195.04/x - Step 3: Cross multiply
615,126.96x = 848,872.58 × 343,195.04 - Step 4: Simplify right side
615,126.96x = 291,328,859,454.21 - Step 5: Solve for x
x = 291,328,859,454.21/615,126.96 - Step 6: Final answer
x = 473,607.69
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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.