Finding the Fourth Proportional to 385,533.05, 578,464.97 and 149,041.80
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Solution
The fourth proportional to 385,533.05, 578,464.97 and 149,041.80 is: 223,626.64
Step by Step Solution
- Step 1: Write the proportion equation
385,533.05 : 578,464.97 = 149,041.80 : x - Step 2: Convert to fraction form
385,533.05/578,464.97 = 149,041.80/x - Step 3: Cross multiply
385,533.05x = 578,464.97 × 149,041.80 - Step 4: Simplify right side
385,533.05x = 86,215,459,620.54 - Step 5: Solve for x
x = 86,215,459,620.54/385,533.05 - Step 6: Final answer
x = 223,626.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.