Finding the Fourth Proportional to 368,332.80, 552,207.60 and 202,120.80
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Solution
The fourth proportional to 368,332.80, 552,207.60 and 202,120.80 is: 303,021.19
Step by Step Solution
- Step 1: Write the proportion equation
368,332.80 : 552,207.60 = 202,120.80 : x - Step 2: Convert to fraction form
368,332.80/552,207.60 = 202,120.80/x - Step 3: Cross multiply
368,332.80x = 552,207.60 × 202,120.80 - Step 4: Simplify right side
368,332.80x = 111,612,641,878.08 - Step 5: Solve for x
x = 111,612,641,878.08/368,332.80 - Step 6: Final answer
x = 303,021.19
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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.