Finding the Fourth Proportional to 485,215.44, 669,588.45 and 270,350.91
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Solution
The fourth proportional to 485,215.44, 669,588.45 and 270,350.91 is: 373,079.32
Step by Step Solution
- Step 1: Write the proportion equation
485,215.44 : 669,588.45 = 270,350.91 : x - Step 2: Convert to fraction form
485,215.44/669,588.45 = 270,350.91/x - Step 3: Cross multiply
485,215.44x = 669,588.45 × 270,350.91 - Step 4: Simplify right side
485,215.44x = 181,023,846,782.99 - Step 5: Solve for x
x = 181,023,846,782.99/485,215.44 - Step 6: Final answer
x = 373,079.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.