Finding the Fourth Proportional to 270,186.08, 372,903.09 and 157,074.44
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Solution
The fourth proportional to 270,186.08, 372,903.09 and 157,074.44 is: 216,789.64
Step by Step Solution
- Step 1: Write the proportion equation
270,186.08 : 372,903.09 = 157,074.44 : x - Step 2: Convert to fraction form
270,186.08/372,903.09 = 157,074.44/x - Step 3: Cross multiply
270,186.08x = 372,903.09 × 157,074.44 - Step 4: Simplify right side
270,186.08x = 58,573,544,036.02 - Step 5: Solve for x
x = 58,573,544,036.02/270,186.08 - Step 6: Final answer
x = 216,789.64
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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.