Finding the Fourth Proportional to 305,903.36, 458,855.04 and 118,958.56
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Solution
The fourth proportional to 305,903.36, 458,855.04 and 118,958.56 is: 178,437.84
Step by Step Solution
- Step 1: Write the proportion equation
305,903.36 : 458,855.04 = 118,958.56 : x - Step 2: Convert to fraction form
305,903.36/458,855.04 = 118,958.56/x - Step 3: Cross multiply
305,903.36x = 458,855.04 × 118,958.56 - Step 4: Simplify right side
305,903.36x = 54,584,734,807.14 - Step 5: Solve for x
x = 54,584,734,807.14/305,903.36 - Step 6: Final answer
x = 178,437.84
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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.