Finding the Fourth Proportional to 614,906.62, 848,342.40 and 356,638.75
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Solution
The fourth proportional to 614,906.62, 848,342.40 and 356,638.75 is: 492,028.81
Step by Step Solution
- Step 1: Write the proportion equation
614,906.62 : 848,342.40 = 356,638.75 : x - Step 2: Convert to fraction form
614,906.62/848,342.40 = 356,638.75/x - Step 3: Cross multiply
614,906.62x = 848,342.40 × 356,638.75 - Step 4: Simplify right side
614,906.62x = 302,551,773,108 - Step 5: Solve for x
x = 302,551,773,108/614,906.62 - Step 6: Final answer
x = 492,028.81
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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.