Finding the Fourth Proportional to 449,318.68, 673,645.08 and 212,384.48
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Solution
The fourth proportional to 449,318.68, 673,645.08 and 212,384.48 is: 318,419.35
Step by Step Solution
- Step 1: Write the proportion equation
449,318.68 : 673,645.08 = 212,384.48 : x - Step 2: Convert to fraction form
449,318.68/673,645.08 = 212,384.48/x - Step 3: Cross multiply
449,318.68x = 673,645.08 × 212,384.48 - Step 4: Simplify right side
449,318.68x = 143,071,760,020.36 - Step 5: Solve for x
x = 143,071,760,020.36/449,318.68 - Step 6: Final answer
x = 318,419.35
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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.