Finding the Fourth Proportional to 355,000.98, 489,905.37 and 193,857.96
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Solution
The fourth proportional to 355,000.98, 489,905.37 and 193,857.96 is: 267,526.18
Step by Step Solution
- Step 1: Write the proportion equation
355,000.98 : 489,905.37 = 193,857.96 : x - Step 2: Convert to fraction form
355,000.98/489,905.37 = 193,857.96/x - Step 3: Cross multiply
355,000.98x = 489,905.37 × 193,857.96 - Step 4: Simplify right side
355,000.98x = 94,972,055,621.25 - Step 5: Solve for x
x = 94,972,055,621.25/355,000.98 - Step 6: Final answer
x = 267,526.18
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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.