Finding the Fourth Proportional to 807,203.07, 1,210,859.55 and 267,458.09
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Solution
The fourth proportional to 807,203.07, 1,210,859.55 and 267,458.09 is: 401,205.33
Step by Step Solution
- Step 1: Write the proportion equation
807,203.07 : 1,210,859.55 = 267,458.09 : x - Step 2: Convert to fraction form
807,203.07/1,210,859.55 = 267,458.09/x - Step 3: Cross multiply
807,203.07x = 1,210,859.55 × 267,458.09 - Step 4: Simplify right side
807,203.07x = 323,854,176,446.96 - Step 5: Solve for x
x = 323,854,176,446.96/807,203.07 - Step 6: Final answer
x = 401,205.33
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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.