Finding the Fourth Proportional to 490,201.27, 734,666.19 and 220,129.99
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Solution
The fourth proportional to 490,201.27, 734,666.19 and 220,129.99 is: 329,909.51
Step by Step Solution
- Step 1: Write the proportion equation
490,201.27 : 734,666.19 = 220,129.99 : x - Step 2: Convert to fraction form
490,201.27/734,666.19 = 220,129.99/x - Step 3: Cross multiply
490,201.27x = 734,666.19 × 220,129.99 - Step 4: Simplify right side
490,201.27x = 161,722,061,058.04 - Step 5: Solve for x
x = 161,722,061,058.04/490,201.27 - Step 6: Final answer
x = 329,909.51
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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.