Finding the Fourth Proportional to 356,365.44, 491,782.86 and 195,220.26
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Solution
The fourth proportional to 356,365.44, 491,782.86 and 195,220.26 is: 269,403.17
Step by Step Solution
- Step 1: Write the proportion equation
356,365.44 : 491,782.86 = 195,220.26 : x - Step 2: Convert to fraction form
356,365.44/491,782.86 = 195,220.26/x - Step 3: Cross multiply
356,365.44x = 491,782.86 × 195,220.26 - Step 4: Simplify right side
356,365.44x = 96,005,977,792.74 - Step 5: Solve for x
x = 96,005,977,792.74/356,365.44 - Step 6: Final answer
x = 269,403.17
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1.5x scale
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.