Finding the Fourth Proportional to 294,054.80, 440,207.40 and 194,327.60
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Solution
The fourth proportional to 294,054.80, 440,207.40 and 194,327.60 is: 290,913.28
Step by Step Solution
- Step 1: Write the proportion equation
294,054.80 : 440,207.40 = 194,327.60 : x - Step 2: Convert to fraction form
294,054.80/440,207.40 = 194,327.60/x - Step 3: Cross multiply
294,054.80x = 440,207.40 × 194,327.60 - Step 4: Simplify right side
294,054.80x = 85,544,447,544.24 - Step 5: Solve for x
x = 85,544,447,544.24/294,054.80 - Step 6: Final answer
x = 290,913.28
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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.