Finding the Fourth Proportional to 171,723.06, 257,555.43 and 45,364.68
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Solution
The fourth proportional to 171,723.06, 257,555.43 and 45,364.68 is: 68,039.32
Step by Step Solution
- Step 1: Write the proportion equation
171,723.06 : 257,555.43 = 45,364.68 : x - Step 2: Convert to fraction form
171,723.06/257,555.43 = 45,364.68/x - Step 3: Cross multiply
171,723.06x = 257,555.43 × 45,364.68 - Step 4: Simplify right side
171,723.06x = 11,683,919,664.21 - Step 5: Solve for x
x = 11,683,919,664.21/171,723.06 - Step 6: Final answer
x = 68,039.32
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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.