Finding the Fourth Proportional to 665,745.30, 998,596.08 and 266,278.80
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Solution
The fourth proportional to 665,745.30, 998,596.08 and 266,278.80 is: 399,409.45
Step by Step Solution
- Step 1: Write the proportion equation
665,745.30 : 998,596.08 = 266,278.80 : x - Step 2: Convert to fraction form
665,745.30/998,596.08 = 266,278.80/x - Step 3: Cross multiply
665,745.30x = 998,596.08 × 266,278.80 - Step 4: Simplify right side
665,745.30x = 265,904,965,867.10 - Step 5: Solve for x
x = 265,904,965,867.10/665,745.30 - Step 6: Final answer
x = 399,409.45
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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.