Finding the Fourth Proportional to 449,637.68, 673,247.91 and 342,511.31
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Solution
The fourth proportional to 449,637.68, 673,247.91 and 342,511.31 is: 512,846.31
Step by Step Solution
- Step 1: Write the proportion equation
449,637.68 : 673,247.91 = 342,511.31 : x - Step 2: Convert to fraction form
449,637.68/673,247.91 = 342,511.31/x - Step 3: Cross multiply
449,637.68x = 673,247.91 × 342,511.31 - Step 4: Simplify right side
449,637.68x = 230,595,020,242.62 - Step 5: Solve for x
x = 230,595,020,242.62/449,637.68 - Step 6: Final answer
x = 512,846.31
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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.