Finding the Fourth Proportional to 490,202.27, 734,667.69 and 220,130.99
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Solution
The fourth proportional to 490,202.27, 734,667.69 and 220,130.99 is: 329,911.01
Step by Step Solution
- Step 1: Write the proportion equation
490,202.27 : 734,667.69 = 220,130.99 : x - Step 2: Convert to fraction form
490,202.27/734,667.69 = 220,130.99/x - Step 3: Cross multiply
490,202.27x = 734,667.69 × 220,130.99 - Step 4: Simplify right side
490,202.27x = 161,723,125,920.71 - Step 5: Solve for x
x = 161,723,125,920.71/490,202.27 - Step 6: Final answer
x = 329,911.01
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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.