Finding the Fourth Proportional to 411,850.80, 618,121.80 and 201,668.40
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Solution
The fourth proportional to 411,850.80, 618,121.80 and 201,668.40 is: 302,671.83
Step by Step Solution
- Step 1: Write the proportion equation
411,850.80 : 618,121.80 = 201,668.40 : x - Step 2: Convert to fraction form
411,850.80/618,121.80 = 201,668.40/x - Step 3: Cross multiply
411,850.80x = 618,121.80 × 201,668.40 - Step 4: Simplify right side
411,850.80x = 124,655,634,411.12 - Step 5: Solve for x
x = 124,655,634,411.12/411,850.80 - Step 6: Final answer
x = 302,671.83
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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.