Finding the Fourth Proportional to 615,645.97, 923,611.21 and 194,921.84
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Solution
The fourth proportional to 615,645.97, 923,611.21 and 194,921.84 is: 292,427.80
Step by Step Solution
- Step 1: Write the proportion equation
615,645.97 : 923,611.21 = 194,921.84 : x - Step 2: Convert to fraction form
615,645.97/923,611.21 = 194,921.84/x - Step 3: Cross multiply
615,645.97x = 923,611.21 × 194,921.84 - Step 4: Simplify right side
615,645.97x = 180,031,998,319.55 - Step 5: Solve for x
x = 180,031,998,319.55/615,645.97 - Step 6: Final answer
x = 292,427.80
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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.