Finding the Fourth Proportional to 531,771.12, 733,852.88 and 290,053.68
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Solution
The fourth proportional to 531,771.12, 733,852.88 and 290,053.68 is: 400,278.84
Step by Step Solution
- Step 1: Write the proportion equation
531,771.12 : 733,852.88 = 290,053.68 : x - Step 2: Convert to fraction form
531,771.12/733,852.88 = 290,053.68/x - Step 3: Cross multiply
531,771.12x = 733,852.88 × 290,053.68 - Step 4: Simplify right side
531,771.12x = 212,856,728,422.60 - Step 5: Solve for x
x = 212,856,728,422.60/531,771.12 - Step 6: Final answer
x = 400,278.84
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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.