Finding the Fourth Proportional to 355,054.08, 489,975.52 and 193,910.40
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Solution
The fourth proportional to 355,054.08, 489,975.52 and 193,910.40 is: 267,596.84
Step by Step Solution
- Step 1: Write the proportion equation
355,054.08 : 489,975.52 = 193,910.40 : x - Step 2: Convert to fraction form
355,054.08/489,975.52 = 193,910.40/x - Step 3: Cross multiply
355,054.08x = 489,975.52 × 193,910.40 - Step 4: Simplify right side
355,054.08x = 95,011,349,073.41 - Step 5: Solve for x
x = 95,011,349,073.41/355,054.08 - Step 6: Final answer
x = 267,596.84
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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.