Finding the Fourth Proportional to 388,103.37, 535,355.62 and 252,227.80
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Solution
The fourth proportional to 388,103.37, 535,355.62 and 252,227.80 is: 347,926.82
Step by Step Solution
- Step 1: Write the proportion equation
388,103.37 : 535,355.62 = 252,227.80 : x - Step 2: Convert to fraction form
388,103.37/535,355.62 = 252,227.80/x - Step 3: Cross multiply
388,103.37x = 535,355.62 × 252,227.80 - Step 4: Simplify right side
388,103.37x = 135,031,570,250.24 - Step 5: Solve for x
x = 135,031,570,250.24/388,103.37 - Step 6: Final answer
x = 347,926.82
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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.