Finding the Fourth Proportional to 189,178.53, 283,808.24 and 69,235.08
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Solution
The fourth proportional to 189,178.53, 283,808.24 and 69,235.08 is: 103,867.42
Step by Step Solution
- Step 1: Write the proportion equation
189,178.53 : 283,808.24 = 69,235.08 : x - Step 2: Convert to fraction form
189,178.53/283,808.24 = 69,235.08/x - Step 3: Cross multiply
189,178.53x = 283,808.24 × 69,235.08 - Step 4: Simplify right side
189,178.53x = 19,649,486,237.89 - Step 5: Solve for x
x = 19,649,486,237.89/189,178.53 - Step 6: Final answer
x = 103,867.42
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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.