Finding the Fourth Proportional to 497,220.05, 686,163.56 and 270,865.55
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Solution
The fourth proportional to 497,220.05, 686,163.56 and 270,865.55 is: 373,794.40
Step by Step Solution
- Step 1: Write the proportion equation
497,220.05 : 686,163.56 = 270,865.55 : x - Step 2: Convert to fraction form
497,220.05/686,163.56 = 270,865.55/x - Step 3: Cross multiply
497,220.05x = 686,163.56 × 270,865.55 - Step 4: Simplify right side
497,220.05x = 185,858,070,430.44 - Step 5: Solve for x
x = 185,858,070,430.44/497,220.05 - Step 6: Final answer
x = 373,794.40
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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.