Finding the Fourth Proportional to 320,467.24, 480,664.14 and 83,832.76
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Solution
The fourth proportional to 320,467.24, 480,664.14 and 83,832.76 is: 125,739.53
Step by Step Solution
- Step 1: Write the proportion equation
320,467.24 : 480,664.14 = 83,832.76 : x - Step 2: Convert to fraction form
320,467.24/480,664.14 = 83,832.76/x - Step 3: Cross multiply
320,467.24x = 480,664.14 × 83,832.76 - Step 4: Simplify right side
320,467.24x = 40,295,401,489.23 - Step 5: Solve for x
x = 40,295,401,489.23/320,467.24 - Step 6: Final answer
x = 125,739.53
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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.