Finding the Fourth Proportional to 448,890.80, 673,464.18 and 133,353.68
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Solution
The fourth proportional to 448,890.80, 673,464.18 and 133,353.68 is: 200,068.54
Step by Step Solution
- Step 1: Write the proportion equation
448,890.80 : 673,464.18 = 133,353.68 : x - Step 2: Convert to fraction form
448,890.80/673,464.18 = 133,353.68/x - Step 3: Cross multiply
448,890.80x = 673,464.18 × 133,353.68 - Step 4: Simplify right side
448,890.80x = 89,808,926,751.18 - Step 5: Solve for x
x = 89,808,926,751.18/448,890.80 - Step 6: Final answer
x = 200,068.54
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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.