Finding the Fourth Proportional to 490,735.20, 736,102.80 and 372,637.20
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Solution
The fourth proportional to 490,735.20, 736,102.80 and 372,637.20 is: 558,955.80
Step by Step Solution
- Step 1: Write the proportion equation
490,735.20 : 736,102.80 = 372,637.20 : x - Step 2: Convert to fraction form
490,735.20/736,102.80 = 372,637.20/x - Step 3: Cross multiply
490,735.20x = 736,102.80 × 372,637.20 - Step 4: Simplify right side
490,735.20x = 274,299,286,304.16 - Step 5: Solve for x
x = 274,299,286,304.16/490,735.20 - Step 6: Final answer
x = 558,955.80
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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.