Finding the Fourth Proportional to 247,723.02, 371,682.99 and 79,269.30
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Solution
The fourth proportional to 247,723.02, 371,682.99 and 79,269.30 is: 118,935.46
Step by Step Solution
- Step 1: Write the proportion equation
247,723.02 : 371,682.99 = 79,269.30 : x - Step 2: Convert to fraction form
247,723.02/371,682.99 = 79,269.30/x - Step 3: Cross multiply
247,723.02x = 371,682.99 × 79,269.30 - Step 4: Simplify right side
247,723.02x = 29,463,050,439.21 - Step 5: Solve for x
x = 29,463,050,439.21/247,723.02 - Step 6: Final answer
x = 118,935.46
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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.