Finding the Fourth Proportional to 491,440.36, 736,693.50 and 192,112.84
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Solution
The fourth proportional to 491,440.36, 736,693.50 and 192,112.84 is: 287,986.69
Step by Step Solution
- Step 1: Write the proportion equation
491,440.36 : 736,693.50 = 192,112.84 : x - Step 2: Convert to fraction form
491,440.36/736,693.50 = 192,112.84/x - Step 3: Cross multiply
491,440.36x = 736,693.50 × 192,112.84 - Step 4: Simplify right side
491,440.36x = 141,528,280,494.54 - Step 5: Solve for x
x = 141,528,280,494.54/491,440.36 - Step 6: Final answer
x = 287,986.69
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1.5x scale
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.