Finding the Fourth Proportional to 159,430.75, 220,029.96 and 119,074.44
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Solution
The fourth proportional to 159,430.75, 220,029.96 and 119,074.44 is: 164,334.32
Step by Step Solution
- Step 1: Write the proportion equation
159,430.75 : 220,029.96 = 119,074.44 : x - Step 2: Convert to fraction form
159,430.75/220,029.96 = 119,074.44/x - Step 3: Cross multiply
159,430.75x = 220,029.96 × 119,074.44 - Step 4: Simplify right side
159,430.75x = 26,199,944,270.22 - Step 5: Solve for x
x = 26,199,944,270.22/159,430.75 - Step 6: Final answer
x = 164,334.32
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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.