Finding the Fourth Proportional to 320,464.24, 482,859.74 and 265,526.80
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Solution
The fourth proportional to 320,464.24, 482,859.74 and 265,526.80 is: 400,082.71
Step by Step Solution
- Step 1: Write the proportion equation
320,464.24 : 482,859.74 = 265,526.80 : x - Step 2: Convert to fraction form
320,464.24/482,859.74 = 265,526.80/x - Step 3: Cross multiply
320,464.24x = 482,859.74 × 265,526.80 - Step 4: Simplify right side
320,464.24x = 128,212,201,611.03 - Step 5: Solve for x
x = 128,212,201,611.03/320,464.24 - Step 6: Final answer
x = 400,082.71
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.