Finding the Fourth Proportional to 411,523.08, 617,358.33 and 145,438.08
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Solution
The fourth proportional to 411,523.08, 617,358.33 and 145,438.08 is: 218,183.17
Step by Step Solution
- Step 1: Write the proportion equation
411,523.08 : 617,358.33 = 145,438.08 : x - Step 2: Convert to fraction form
411,523.08/617,358.33 = 145,438.08/x - Step 3: Cross multiply
411,523.08x = 617,358.33 × 145,438.08 - Step 4: Simplify right side
411,523.08x = 89,787,410,187.21 - Step 5: Solve for x
x = 89,787,410,187.21/411,523.08 - Step 6: Final answer
x = 218,183.17
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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.