Finding the Fourth Proportional to 269,809.08, 372,667.86 and 202,128.84
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Solution
The fourth proportional to 269,809.08, 372,667.86 and 202,128.84 is: 279,186.02
Step by Step Solution
- Step 1: Write the proportion equation
269,809.08 : 372,667.86 = 202,128.84 : x - Step 2: Convert to fraction form
269,809.08/372,667.86 = 202,128.84/x - Step 3: Cross multiply
269,809.08x = 372,667.86 × 202,128.84 - Step 4: Simplify right side
269,809.08x = 75,326,922,247.08 - Step 5: Solve for x
x = 75,326,922,247.08/269,809.08 - Step 6: Final answer
x = 279,186.02
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1.5x scale
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.