Finding the Fourth Proportional to 368,013.80, 551,729.10 and 201,801.80
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Solution
The fourth proportional to 368,013.80, 551,729.10 and 201,801.80 is: 302,542.80
Step by Step Solution
- Step 1: Write the proportion equation
368,013.80 : 551,729.10 = 201,801.80 : x - Step 2: Convert to fraction form
368,013.80/551,729.10 = 201,801.80/x - Step 3: Cross multiply
368,013.80x = 551,729.10 × 201,801.80 - Step 4: Simplify right side
368,013.80x = 111,339,925,492.38 - Step 5: Solve for x
x = 111,339,925,492.38/368,013.80 - Step 6: Final answer
x = 302,542.80
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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.