Finding the Fourth Proportional to 355,001.13, 489,898.33 and 193,855.68
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Solution
The fourth proportional to 355,001.13, 489,898.33 and 193,855.68 is: 267,519.07
Step by Step Solution
- Step 1: Write the proportion equation
355,001.13 : 489,898.33 = 193,855.68 : x - Step 2: Convert to fraction form
355,001.13/489,898.33 = 193,855.68/x - Step 3: Cross multiply
355,001.13x = 489,898.33 × 193,855.68 - Step 4: Simplify right side
355,001.13x = 94,969,573,408.38 - Step 5: Solve for x
x = 94,969,573,408.38/355,001.13 - Step 6: Final answer
x = 267,519.07
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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.