Finding the Fourth Proportional to 170,502.21, 255,744.23 and 52,173.63
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Solution
The fourth proportional to 170,502.21, 255,744.23 and 52,173.63 is: 78,257.66
Step by Step Solution
- Step 1: Write the proportion equation
170,502.21 : 255,744.23 = 52,173.63 : x - Step 2: Convert to fraction form
170,502.21/255,744.23 = 52,173.63/x - Step 3: Cross multiply
170,502.21x = 255,744.23 × 52,173.63 - Step 4: Simplify right side
170,502.21x = 13,343,104,569.79 - Step 5: Solve for x
x = 13,343,104,569.79/170,502.21 - Step 6: Final answer
x = 78,257.66
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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.