Finding the Fourth Proportional to 807,796.19, 1,211,871.48 and 239,221.55
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Solution
The fourth proportional to 807,796.19, 1,211,871.48 and 239,221.55 is: 358,884.80
Step by Step Solution
- Step 1: Write the proportion equation
807,796.19 : 1,211,871.48 = 239,221.55 : x - Step 2: Convert to fraction form
807,796.19/1,211,871.48 = 239,221.55/x - Step 3: Cross multiply
807,796.19x = 1,211,871.48 × 239,221.55 - Step 4: Simplify right side
807,796.19x = 289,905,775,978.99 - Step 5: Solve for x
x = 289,905,775,978.99/807,796.19 - Step 6: Final answer
x = 358,884.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.