Finding the Fourth Proportional to 497,327.25, 686,311.62 and 270,972.75
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Solution
The fourth proportional to 497,327.25, 686,311.62 and 270,972.75 is: 373,942.40
Step by Step Solution
- Step 1: Write the proportion equation
497,327.25 : 686,311.62 = 270,972.75 : x - Step 2: Convert to fraction form
497,327.25/686,311.62 = 270,972.75/x - Step 3: Cross multiply
497,327.25x = 686,311.62 × 270,972.75 - Step 4: Simplify right side
497,327.25x = 185,971,747,028.36 - Step 5: Solve for x
x = 185,971,747,028.36/497,327.25 - Step 6: Final answer
x = 373,942.40
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1.5x scale
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.