Finding the Fourth Proportional to 269,539.23, 403,980.89 and 190,676.19
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Solution
The fourth proportional to 269,539.23, 403,980.89 and 190,676.19 is: 285,782.28
Step by Step Solution
- Step 1: Write the proportion equation
269,539.23 : 403,980.89 = 190,676.19 : x - Step 2: Convert to fraction form
269,539.23/403,980.89 = 190,676.19/x - Step 3: Cross multiply
269,539.23x = 403,980.89 × 190,676.19 - Step 4: Simplify right side
269,539.23x = 77,029,535,984.63 - Step 5: Solve for x
x = 77,029,535,984.63/269,539.23 - Step 6: Final answer
x = 285,782.28
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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.