Finding the Fourth Proportional to 326,775.40, 450,817.80 and 205,703.08
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Solution
The fourth proportional to 326,775.40, 450,817.80 and 205,703.08 is: 283,787.00
Step by Step Solution
- Step 1: Write the proportion equation
326,775.40 : 450,817.80 = 205,703.08 : x - Step 2: Convert to fraction form
326,775.40/450,817.80 = 205,703.08/x - Step 3: Cross multiply
326,775.40x = 450,817.80 × 205,703.08 - Step 4: Simplify right side
326,775.40x = 92,734,609,978.82 - Step 5: Solve for x
x = 92,734,609,978.82/326,775.40 - Step 6: Final answer
x = 283,787.00
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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.