Finding the Fourth Proportional to 298,974.79, 447,546.35 and 193,584.07
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Solution
The fourth proportional to 298,974.79, 447,546.35 and 193,584.07 is: 289,783.11
Step by Step Solution
- Step 1: Write the proportion equation
298,974.79 : 447,546.35 = 193,584.07 : x - Step 2: Convert to fraction form
298,974.79/447,546.35 = 193,584.07/x - Step 3: Cross multiply
298,974.79x = 447,546.35 × 193,584.07 - Step 4: Simplify right side
298,974.79x = 86,637,842,978.72 - Step 5: Solve for x
x = 86,637,842,978.72/298,974.79 - Step 6: Final answer
x = 289,783.11
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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.