Finding the Fourth Proportional to 380,247.10, 524,873.08 and 235,163.95
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Solution
The fourth proportional to 380,247.10, 524,873.08 and 235,163.95 is: 324,607.94
Step by Step Solution
- Step 1: Write the proportion equation
380,247.10 : 524,873.08 = 235,163.95 : x - Step 2: Convert to fraction form
380,247.10/524,873.08 = 235,163.95/x - Step 3: Cross multiply
380,247.10x = 524,873.08 × 235,163.95 - Step 4: Simplify right side
380,247.10x = 123,431,226,741.47 - Step 5: Solve for x
x = 123,431,226,741.47/380,247.10 - Step 6: Final answer
x = 324,607.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.