Finding the Fourth Proportional to 355,063.84, 489,985.50 and 193,918.84
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Solution
The fourth proportional to 355,063.84, 489,985.50 and 193,918.84 is: 267,606.58
Step by Step Solution
- Step 1: Write the proportion equation
355,063.84 : 489,985.50 = 193,918.84 : x - Step 2: Convert to fraction form
355,063.84/489,985.50 = 193,918.84/x - Step 3: Cross multiply
355,063.84x = 489,985.50 × 193,918.84 - Step 4: Simplify right side
355,063.84x = 95,017,419,776.82 - Step 5: Solve for x
x = 95,017,419,776.82/355,063.84 - Step 6: Final answer
x = 267,606.58
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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.